use compass-rails and sass-rails and haml-rails gems, compass config is no more needed

added alchemy as gem from rubygems
added gems for precompiling the assets
Updated Gemfile.lock with only neccessary changes to avoid failing tests
moved images and javascripts into assets folder, created js manifests, updated application and login layouts
moved jquery-ui stylesheets to vendor/assets, moved image from public/images to app/assets, removed converge-ui folder
Removed converge-ui, symlinks and submodule configuration

relevant submodule section from .git/config has to be deleted manually as it is not tracked by git
changed template links from converge-ui to alchemy
stylesheet fixes to support asset pipeline
removed obsolete login styling
removed unused translations helper methods as the behavior is now fixed in Alchemy
makefile and spec file changes
added new rpm gem dependencies
Makefile: move Gemfile to Gemfile.in to avoid bundler
commented out alchemy gem dependency from rpmbuild as it is not present in Fedora yet