Move select2 assets into vendor folder where they belong
Remove dependency on erb
Update select2 locale javascript to v3.5.1
use SCSS for image-url to work
remove select2.css
update engine assets paths
bugfix asset precompilation
more bugfix
more bugfixing again
remove unneccessary initializer
precompile images
Merge pull request #97 from Fryie/update-to-v3.5.1

Update to v3.5.1