[ISSUE #184][WIP] adds UML
Merge branch 'game_theme' of https://github.com/MGhanem/smartsoft-13 into C2_AmrARaouf_C2S05_facebook_inviting

Conflicts:
	arability/app/views/devise/registrations/edit.html.erb
Merge branch 'game_theme' of https://github.com/MGhanem/smartsoft-13 into C2_AmrARaouf_C2S05_facebook_inviting
Merge branch 'game_theme' of https://github.com/MGhanem/smartsoft-13 into C2_AmrARaouf_C2S05_facebook_inviting