Pushed select2-rails gem
Merge pull request #497 from raulpopadineti/rails4

Bump select2-rails dependency
Fix some styling issues with posts/new and posts/edit

The title on posts/new was spread over two lines.
The edit form on posts was too small.
Fix issue where blockquotes were being escaped in the text of posts

Implemented the sanitize gem to fix this up. Required a bit of tweaking with the formatters, but we got there in the end.

Fixes #359
Fix permission issue where users who could not read a forum could still post to it
Add missing icon for hidden topics
Bump rspec-rails to 2.14.0

Conflicts:
	forem.gemspec
Remove simple_format from formatting_helper

This was causing more trouble than it's worth, and besides the formatters for Textile + Markdown already add in the paragraphs, so there's no point using simple_format if the formatters are supposed to do it anyway
Mention the fact that Devise does not provide 'name' column by default (partially fixes #495)

Fixes #498
Add Airesis to sites using Forem list
Reversible migrations

Fixes #504
Ability to remove users from groups

Fixes #503
Russian translation consistency

Fixes #501
Use Kaminari configuration

Fixes #505
Add test_app alias so I don't get confused between forem + Spree
bump kaminari to 0.15.0

Fixes #506
Remove the cancer that is the protected_attributes gem
Only include CapybaraExt in Capybara tests
Use double, not stub, inside forum_spec.rb

stub is deprecated
Test for removing users from groups