Updated jshint configuration

Author: linusjf

.jshintrc

@@ -17,15 +17,15 @@
     "noarg": true, // true: Prohibit use of `arguments.caller` and `arguments.callee`
     "noempty": true, // true: Prohibit use of empty blocks
     "nonbsp": true, // true: Prohibit "non-breaking whitespace" characters.
-    "nonew": false, // true: Prohibit use of constructors for side-effects (without assignment)
+    "nonew": true, // true: Prohibit use of constructors for side-effects (without assignment)
     "plusplus": false, // true: Prohibit use of `++` and `--`
     "quotmark": true, // Quotation mark consistency:
     //   false    : do nothing (default)
     //   true     : ensure whatever is used is consistent
     //   "single" : require single quotes
     //   "double" : require double quotes
     "undef": true, // true: Require all non-global variables to be declared (prevents global leaks)
-    "unused": true, // Unused variables:
+    "unused": "true", // Unused variables:
     //   true     : all variables, last function parameter
     //   "vars"   : all variables only
     //   "strict" : all variables, all function parameters