added WSGI process adhocracy_service to run Kotti CMS and adhocracy backend web services
added additonal egg adhocracy_kotti_theme
added extra egg adhocracy_kotti
added functional doctest, new service imagescale, allow deleting images
added adhocracy_service testing process, to test kotti cms application
adhocracy_kotti: set available image scales
adhocracy_kotti: use uuid3(md5 hash) to generate image names
adhocracy_kotti: use token to validate api users (temporary solution)
adhocracy_kotti: moved validators in extra module
cleanup tests
adhocracy_kotti: added validate_image_name_exists validator
adhocracy_kotti: better test coverage
adhocracy_kotti: updated docs
added delegatable to mediafile relations; new entity MediaFile to store files  with the adhocracy_kotti.mediacenter web service
added mediafile migration script
adhocracy_kotti_theme: added bootstrap.min.css
added adhocracy_kotti to adhocracy_service/kotti
adhocracy_kotti: cleanup
adhocracy_kotti: Fix image scaling is not working right
mediafile: added backref mappings