prefer grunt for build and karma for tests over ruby based tools
put compiled js files into tmp dir and ignore tmp for git
Merge pull request #95 from roundscope/grunt_and_karma_instead_of_ruby_based_tools

switch over to grunt karma bower
Merge remote-tracking branch 'origin/rc' into example_app_2

Conflicts:
	.gitignore
example app gets js files from bower_components