Pre-commit checks: remove migrations check.
Issue #73 Change relation between Idea/UserNotification and User from many to many to has many through
Pre-commit: fix bug with calling `which`

Apparently output redirection messes with the exit status.
Merge pull request #124 from DevYah/C1_mnzaki_commit_hooks

Fix checks.
Merge branch 'master' into C1_AminaZoheir_#73_Notifications_migrations

Conflicts:
	Idearator/app/models/user.rb
Merge branch 'master' into C1_AminaZoheir_#73_Notifications_migrations
Merge pull request #123 from DevYah/C1_AminaZoheir_#73_Notifications_migrations

Issue #73 Change relation
Merge branch 'master' into C1_Sameh_#79_account_settings
Issue #79, Add UML