Issue #167, Base for landing page
Merge branch 'master' into C1_Sameh_Landing_page

Conflicts:
	Idearator/app/views/home/index.html.erb
Merge branch 'master' into C1_Sameh_Landing_page

Add Basis for landing Page
Conflicts:
	Idearator/app/assets/stylesheets/homes.css.scss
Add Facebook and twitter login to Landing page
Issue #232, initial similarity calculation algorithm.

Based on Jaccard similarity of the tag sets only. Al bakeya tatba3.
Calculate idea similarity on save.
Add similar_ideas relation to the Idea model.
Add default ordering to the Similarity model.

order by similarity
Add similar ideas partial.
Issue #167, Add Landing Page view
Merge branch 'master' into C1_Sameh_Landing_page

Conflicts:
	Idearator/app/assets/javascripts/home.js
Merge branch 'C4_Salah_217_stream_interaction' into C1_Sameh_Landing_page

Conflicts:
	Idearator/app/assets/javascripts/home.js
	Idearator/app/views/layouts/application.html.erb
	Idearator/config/routes.rb
Merge master
Issue #217 corrects search floq
Fix error in ideas.css
Remove empty line in edit.html.erb
Issue #217, includes the global infinite_scrolling function along with the tag filtering from outside the stream
Merge master into improving_idea_submission_form
Fix Gemfile
Turn on library autoloading