update devDependencies, fix lint

Author: jorrit

package.json

@@ -15,11 +15,11 @@
   },
   "devDependencies": {
     "coveralls": "^2.13.0",
-    "eslint": "^3.19.0",
+    "eslint": "^4.6.1",
     "istanbul": "^0.4.5",
     "mocha": "^3.2.0",
     "mocha-lcov-reporter": "^1.3.0",
-    "should": "^11.2.1"
+    "should": "^13.0.1"
   },
   "engines": {
     "node": ">= 4"

test/main.js

@@ -48,8 +48,7 @@ describe('gulp-requirejs', function() {
         output.path.should.equal('simple_init.js');
         output.should.have.property('sourceMap');
         output.sourceMap.should.be.Object();
-        output.sourceMap.sources.should.containEql(
-                  'vendor/simple_amd_file.js');
+        output.sourceMap.sources.should.containEql('vendor/simple_amd_file.js');
         output.sourceMap.sources.should.containEql('simple_init.js');
         done();
       } catch (e) {