Suppress linting newcap

* When the "use strict"; directive is set, constructors called without
   `new` will set the execution context to undefined. JSHint tries to be
   clever and forces on newcap. Suppress this behaviour, especially
   because newcap has gone the way of the dodo.

.jshintrc

@@ -8,6 +8,7 @@
   "latedef":  "nofunc",
   "laxbreak": true,
   "loopfunc": true,
+  "newcap":   false,
   "noarg":    true,
   "noempty":  true,
   "nonew":    true,