feat(config): Deprecate JSHint in favor of ESLint

Add basic ESLint setup extending well-known Airbnb code style.

Fixes #1072, #1097

modules/users/server/controllers/users/users.profile.server.controller.js

@@ -57,13 +57,13 @@ exports.changeProfilePicture = function (req, res) {
   var user = req.user;
   var upload = multer(config.uploads.profileUpload).single('newProfilePicture');
   var profileUploadFileFilter = require(path.resolve('./config/lib/multer')).profileUploadFileFilter;
-  
+
   // Filtering to upload only images
   upload.fileFilter = profileUploadFileFilter;
 
   if (user) {
     upload(req, res, function (uploadError) {
-      if(uploadError) {
+      if (uploadError) {
         return res.status(400).send({
           message: 'Error occurred while uploading profile picture'
         });