added grunt build for js/css
turned off mangle to work with angular
Merge branch 'master' of ssh://github.com/mozilla/treeherder-ui into integrate-grunt
standardized angularjs dependency ingention syntax to work with minification
cleaned up
added build instructions
removed unnecessary comment
updated to standard angularjs dependency ingection syntax
added clean step
merged master
Merge pull request #71 from mozilla/integrate-grunt

Integrate grunt