diff --git a/package-lock.json b/package-lock.json
index 392dc4bcf..3a36acfbd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -89,6 +89,7 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "^3.0.2",
         "longest": "^1.0.1",
@@ -99,13 +100,15 @@
           "version": "1.1.6",
           "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
           "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "kind-of": {
           "version": "3.2.2",
           "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
           "dev": true,
+          "optional": true,
           "requires": {
             "is-buffer": "^1.1.5"
           }
@@ -114,7 +117,8 @@
           "version": "1.6.1",
           "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
           "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -628,7 +632,7 @@
     },
     "builtin-modules": {
       "version": "1.1.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
       "dev": true
     },
@@ -941,7 +945,7 @@
     },
     "concat-map": {
       "version": "0.0.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
       "dev": true
     },
@@ -1206,7 +1210,7 @@
     },
     "decamelize": {
       "version": "1.2.0",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
       "dev": true
     },
@@ -1494,7 +1498,7 @@
     },
     "error-ex": {
       "version": "1.3.0",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-5ntD8+gsluo6WE/+4Ln8MyXYAtk=",
       "dev": true,
       "requires": {
@@ -1503,7 +1507,7 @@
     },
     "escape-string-regexp": {
       "version": "1.0.5",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
       "dev": true
     },
@@ -1574,16 +1578,6 @@
           "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==",
           "dev": true
         },
-        "js-yaml": {
-          "version": "3.12.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.0.tgz",
-          "integrity": "sha512-PIt2cnwmPfL4hKNwqeiuz4bKfnzHTBv6HyVgjahA6mPLwPDzjDWrplJBMjHUFxku/N3FlmrbyPclad+I+4mJ3A==",
-          "dev": true,
-          "requires": {
-            "argparse": "^1.0.7",
-            "esprima": "^4.0.0"
-          }
-        },
         "minimatch": {
           "version": "3.0.4",
           "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
@@ -2611,7 +2605,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2632,12 +2627,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2652,17 +2649,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2779,7 +2779,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2791,6 +2792,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2805,6 +2807,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2812,12 +2815,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2836,6 +2841,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2916,7 +2922,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2928,6 +2935,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -3013,7 +3021,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3049,6 +3058,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3068,6 +3078,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3111,12 +3122,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -3346,7 +3359,7 @@
     },
     "graceful-fs": {
       "version": "4.1.11",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=",
       "dev": true
     },
@@ -3571,7 +3584,7 @@
     },
     "inflight": {
       "version": "1.0.6",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
       "dev": true,
       "requires": {
@@ -3581,7 +3594,7 @@
     },
     "inherits": {
       "version": "2.0.3",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
       "dev": true
     },
@@ -3690,7 +3703,7 @@
     },
     "is-arrayish": {
       "version": "0.2.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=",
       "dev": true
     },
@@ -3705,13 +3718,13 @@
     },
     "is-buffer": {
       "version": "1.1.4",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-z8hszV3FpS+oBIkRHGkgxFfi2Ys=",
       "dev": true
     },
     "is-builtin-module": {
       "version": "1.0.0",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-VAVy0096wxGfj3bDDLwbHgN6/74=",
       "dev": true,
       "requires": {
@@ -3997,7 +4010,7 @@
     },
     "isarray": {
       "version": "1.0.0",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
       "dev": true
     },
@@ -4038,9 +4051,9 @@
       "dev": true
     },
     "js-yaml": {
-      "version": "3.12.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.0.tgz",
-      "integrity": "sha512-PIt2cnwmPfL4hKNwqeiuz4bKfnzHTBv6HyVgjahA6mPLwPDzjDWrplJBMjHUFxku/N3FlmrbyPclad+I+4mJ3A==",
+      "version": "3.13.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
+      "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
       "dev": true,
       "requires": {
         "argparse": "^1.0.7",
@@ -4101,7 +4114,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
@@ -4131,7 +4144,7 @@
     },
     "kind-of": {
       "version": "3.1.0",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-R11pil5J/15T0U4+cyQp3Iv0z0c=",
       "dev": true,
       "requires": {
@@ -4187,7 +4200,7 @@
     },
     "load-json-file": {
       "version": "2.0.0",
-      "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
       "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
       "dev": true,
       "requires": {
@@ -4302,7 +4315,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "longest-streak": {
       "version": "2.0.2",
@@ -4631,7 +4645,7 @@
     },
     "minimatch": {
       "version": "3.0.3",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-Kk5AkLlrLbBqnX3wEFWmKnfJt3Q=",
       "dev": true,
       "requires": {
@@ -4640,7 +4654,7 @@
     },
     "minimist": {
       "version": "0.0.8",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
       "dev": true
     },
@@ -4677,7 +4691,7 @@
     },
     "mkdirp": {
       "version": "0.5.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
       "dev": true,
       "requires": {
@@ -5039,7 +5053,7 @@
     },
     "once": {
       "version": "1.4.0",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
       "dev": true,
       "requires": {
@@ -5206,7 +5220,7 @@
     },
     "parse-json": {
       "version": "2.2.0",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
       "dev": true,
       "requires": {
@@ -5244,7 +5258,7 @@
     },
     "path-is-absolute": {
       "version": "1.0.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
       "dev": true
     },
@@ -5283,19 +5297,19 @@
     },
     "pify": {
       "version": "2.3.0",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
       "dev": true
     },
     "pinkie": {
       "version": "2.0.4",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-clVrgM+g1IqXToDnckjoDtT3+HA=",
       "dev": true
     },
     "pinkie-promise": {
       "version": "2.0.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-ITXW36ejWMBprJsXh3YogihFD/o=",
       "dev": true,
       "requires": {
@@ -5538,7 +5552,7 @@
     },
     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "dev": true,
       "requires": {
@@ -6771,7 +6785,7 @@
     },
     "repeat-string": {
       "version": "1.6.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
       "dev": true
     },
@@ -7801,7 +7815,7 @@
     },
     "trim": {
       "version": "0.0.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-WFhUf2spB1fulczMZm+1AITEYN0=",
       "dev": true
     },
@@ -8089,7 +8103,7 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
@@ -8284,7 +8298,7 @@
     },
     "unist-util-visit": {
       "version": "1.1.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-6RejsTdlizNctEIMfaLnTZKOTpQ=",
       "dev": true
     },
@@ -8497,7 +8511,7 @@
     },
     "vfile-location": {
       "version": "2.0.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-C/iBb3MrD4vZAqVv2kxiyOk13FI=",
       "dev": true
     },
@@ -8670,7 +8684,7 @@
     },
     "wrappy": {
       "version": "1.0.2",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
@@ -8924,7 +8938,7 @@
     },
     "xtend": {
       "version": "4.0.1",
-      "resolved": "",
+      "resolved": false,
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
       "dev": true
     },