Update JShintRC

Author: whizkydee

.jshintrc

@@ -1,6 +1,7 @@
 {
   "node": true,
   "browser": true,
+  "es5": true,
   "esnext": true,
   "bitwise": true,
   "camelcase": true,
@@ -15,7 +16,9 @@
   "regexp": true,
   "undef": true,
   "unused": false,
+  "loopfunc": true,
   "trailing": false,
+  "smarttabs": false,
   "sub": true,
   "globals": {
     "define": true,