Issue #78, Use sharing directly from facebook
Issue#78, Change style
Issue #78, Add Javascript and some styles
Merge branch 'C1_Sameh_#78_facebook_sharing' into C1_Sameh_#76_twitter_sharing
Issue #76, Change share from twitter directly
Conflicts:
	Idearator/app/assets/javascripts/ideas.js
	Idearator/app/views/ideas/show.html.erb