Updated to fit new version of js-beautify

js-beautify has been updated to version 1.2.0 the current version of this task is very outdated. Also updated grunt to version 0.4.1 since this version has a very importat patch added. On options removed " " from config since it is a common standard on grunt tasks to not have any quotes on config.

this will also solve this issue:
https://github.com/vkadam/grunt-jsbeautifier/issues/7

grunt
https://github.com/gruntjs/grunt/wiki/Blog-2013-03-13-Grunt-0.4.1-released