added bower
updating tests
Merge branch 'feature/refactor-june' of github.com:Vizzuality/gfw into feature/refactor-june
grunt test
front end dependencies
spec helpers
run all specs
removed testem
Merge pull request #594 from Vizzuality/feature/refactor-june-bower

Added bower and grunt test with phantomjs and jasmine
Merge branch 'feature/refactor-june' of https://github.com/Vizzuality/gfw into refactor/layer-nav-presenter-and-toggle-layer
layer validator