Issue #39, Modify ideas_controller

to get username
added hints and guides to the submission form
Issue #39, Add username in show view
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 branch 'master' into C3_marwa-mehanna_#84_VoteUnvote

Conflicts:
	Idearator/app/models/idea.rb
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 C3_marwa-mehanna_#84_VoteUnvote
Issue #84, Add Gemfile
Issue #84, Add vote/unvote in update method

Work in progress
Issue #84 ,Add user model
Issue #84,Add show view

Add submit tags of vote and unvote
Issue #84,Add attr access to model vote
Issue #86, Add content_for to top 10
Issue #86, Add sidebar to layout
Issue #86, Modify  _navigation
Issue #86, Modify Layout

added neseted sidebars