Some more refactoring
Libraries on welcome page iteration 1
Created css module for libraries and moved styles
Defined scope for trending libraries
Switched to elements on the welcome page
Switched two elements on the welcome page
Merge branch 'feature-libraries' of github.com:fairnopoly/fairnopoly into feature-libraries
Merge branch 'develop' into feature-libraries
Render teaser headers on the welcome page uppercase by CSS
Completed Library CSS module
Improved responsiveness on the welcome page
Added popularity column to libraries table and changed most popular scope
Refactored library scopes
added library popularity calculation wireframe
Merge branch 'develop' into feature-libraries

Conflicts:
	app/views/libraries/_library_header.html.haml
	db/schema.rb
Update styleguides for Library module 1st try
Removed counter_cache from has_many methods in Library module
Created popularity algorithm
Changed popularity algorithm for libraries
Refactored some library code