casum: gemspec and engine config
casum: controllers brough from main app
casum: User model copied from main app
casum: Group model copied from main app
casum: Membership model copied from main app
casum: javascript copied from main app
casum: stylesheet copied from main app
casum: layout copied from main app
casum: Group templates copied from main app
casum: User templates copied from main app
casum: load CASUM layout
casum: force use table name without engine namespace for User, Group and Membership
casum: depend on rails 4.0.1 like the rest
casum: routes copied from main app
casum: removed generated layout file
casum: ignore .project file
issue_151: use different layout for Group and Users
issue_151: fix class scope
issue_151: clean up gem, require cancan incase it fail