Configure ESLint and fix all linter issues

Author: marioizquierdo

Diff for: .eslintrc.js

@@ -0,0 +1,30 @@
+
+/* global module */
+module.exports = {
+    "env": {
+        "browser": true,
+        "jquery": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "ecmaVersion": 5
+    },
+    "rules": {
+        "indent": [
+            "error",
+            4
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "double"
+        ],
+        "semi": [
+            "error",
+            "always"
+        ]
+    }
+};

Diff for: .gitignore

@@ -1 +1,2 @@
 .DS_Store
+node_modules