Issue #218, Add winner to migration
Issue #218, Add model of competition
Merge branch 'master' into C3_marwa-mehanna_#218_competition_crud

Conflicts:
	Idearator/app/models/competition.rb
Issue #218, Add competition controller

finished submit/edit/show
Issue #218, Add attr accessible for competition
ISsue #218, Add routes for competitions
Issue #218, Add show view for competitions
Issue #218,Add edit view
Issue #218, Add form of submiting a new competition
Issue #218,Add new view
Issue #218, Add index view
Issue #218, Add auto complete to tags of competition
Merge branch 'C3_marwa-mehanna_#218_competition_crud' into C2_abuali_#240_competitions
Issue #218,Add datepicker gem
Issue #218,Add requirement for datepicker
Issue #218,Add .editinplace in competition.js
Issue #218 ,Add require for datepicker
Issue #218, Add edit in place in show.html.erb
Issue #218, Add BIP in update
Issue #231 initial commit button and stream in competetion page