Issue #1664940 by nod_, jibran, droplet | RobLoach: [Policy, patch] Decide on JSHint configuration.

.jshintignore

+core/misc/backbone
+core/misc/ckeditor
+core/misc/create
+core/misc/farbtastic
+core/misc/html5.js
+core/misc/jquery.ba-bbq.js
+core/misc/jquery.form.js
+core/misc/jquery.js
+core/misc/jquery.once.js
+core/misc/modernizr
+core/misc/normalize
+core/misc/ui
+core/misc/underscore
+core/misc/vie
+core/modules/tour/js/jquery.joyride-2.0.3.js
+core/vendor
+sites/*/files

.jshintrc

+{
+  "browser"   : true,
+  "curly"     : true,
+  "eqeqeq"    : true,
+  "expr"      : true,
+  "forin"     : true,
+  "latedef"   : true,
+  "newcap"    : true,
+  "noarg"     : true,
+  "trailing"  : true,
+  "undef"     : true,
+  "predef"    : [
+    "Drupal",
+    "drupalSettings",
+    "jQuery",
+    "_",
+    "matchMedia",
+    "Backbone",
+    "VIE",
+    "CKEDITOR"
+  ]
+}