Removing check for gui_macvim.  If the jsc file exists, use it.
Removing check for gui_macvim.  If the jsc file exists, use it.

hallettj/jslint.vim,hallettj/jslint.vim,wookiehangover/jshint.vim,smirecki/jslint.vim,ssidorchick/jshint.vim,myappleguy/jshint.vim,smirecki/jslint.vim,rollenmetalworks/jshint.vim