[Issue #193] Redid my work after wrong merge into master
[Issue #193] Added documentation
Merge branch 'master' of github.com:MGhanem/smartsoft-13 into C4_m0hamed_C5F2_switch_locales

Conflicts:
	arability/app/controllers/application_controller.rb
	arability/config/routes.rb
[Issue #193] Removed extra lines
migration to add project limit
Merge pull request #278 from MGhanem/AddProjectLimitToMySubscription

migration to add project limit
Merge branch 'master' of https://github.com/MGhanem/smartsoft-13 into C3_nohahesham_S05_ChooseSubscriptionModel
noha commited
migration to remove wrong project limit in subscription
correcting migration
Merge pull request #280 from MGhanem/RemoveProjectLimitFromSubscription

migration to remove wrong project limit in subscription
Merge branch 'master' of https://github.com/MGhanem/smartsoft-13 into C3_nohahesham_S05_ChooseSubscriptionModel
[issue#206]
Merge branch 'C4_m0hamed_C5F2_switch_locales' of https://github.com/MGhanem/smartsoft-13 into C3_nohahesham_S05_ChooseSubscriptionModel
[issue#206]