Renamed several folders:
app/img -> app/images
app/js -> app/scripts
app/css -> app/styles
Added Gruntfile. Now we can use grunt serve and grunt build. yay!
Added grunt injector. JS and CSS files will now be added automatically to index.html
Moved config.inc.js to root dir.
Updated README and wercker.yml
Deleted scripts folder
Added example configs.
Wercker is now using bower with cache.
Updated Object Property URIS for music ontology
Disable grunt build for the meanwhile
Revert "Disable grunt build for the meanwhile"

This reverts commit 31466ff00fef19bb56b4afc70ac1f6aaf41fc08a.
Merge branch 'feature/use-grunt-like-a-boss' into develop