Fix config file formatting (#630)

Author: Brian969

reference-artifacts/SAMPLE_CONFIGS/config.example.json

@@ -2,8 +2,8 @@
   "replacements": {
     "addl_regions": {
       "a": ["${HOME_REGION}"],
-      "b": ["${HOME_REGION}, ${GBL_REGION}"],
-      "c": ["${HOME_REGION}, ${GBL_REGION}", "us-east-2", "us-west-1", "us-west-2"]
+      "b": ["${HOME_REGION}", "${GBL_REGION}"],
+      "c": ["${HOME_REGION}", "${GBL_REGION}", "us-east-2", "us-west-1", "us-west-2"]
     },
     "cloud-cidr1": "10.0.0.0",
     "cloud-mask1": "255.0.0.0",

reference-artifacts/SAMPLE_CONFIGS/config.lite-example.json

@@ -2,8 +2,8 @@
   "replacements": {
     "addl_regions": {
       "a": ["${HOME_REGION}"],
-      "b": ["${HOME_REGION}, ${GBL_REGION}"],
-      "c": ["${HOME_REGION}, ${GBL_REGION}", "us-east-2", "us-west-1", "us-west-2"]
+      "b": ["${HOME_REGION}", "${GBL_REGION}"],
+      "c": ["${HOME_REGION}", "${GBL_REGION}", "us-east-2", "us-west-1", "us-west-2"]
     },
     "cloud-cidr1": "10.0.0.0",
     "cloud-mask1": "255.0.0.0",

reference-artifacts/SAMPLE_CONFIGS/config.multi-region-example.json

@@ -2,8 +2,8 @@
   "replacements": {
     "addl_regions": {
       "a": ["${HOME_REGION}"],
-      "b": ["${HOME_REGION}, ${GBL_REGION}"],
-      "c": ["${HOME_REGION}, ${GBL_REGION}", "us-east-2", "us-west-1", "us-west-2"]
+      "b": ["${HOME_REGION}", "${GBL_REGION}"],
+      "c": ["${HOME_REGION}", "${GBL_REGION}", "us-east-2", "us-west-1", "us-west-2"]
     },
     "cloud-cidr1": "10.0.0.0",
     "cloud-mask1": "255.0.0.0",

reference-artifacts/SAMPLE_CONFIGS/config.ultralite-example.json

@@ -2,8 +2,8 @@
   "replacements": {
     "addl_regions": {
       "a": ["${HOME_REGION}"],
-      "b": ["${HOME_REGION}, ${GBL_REGION}"],
-      "c": ["${HOME_REGION}, ${GBL_REGION}"]
+      "b": ["${HOME_REGION}", "${GBL_REGION}"],
+      "c": ["${HOME_REGION}", "${GBL_REGION}"]
     }
   },
   "global-options": {