Update and rename README.rdoc to README.md
Fixes code font size
Hide horizontal scrollbars but still allow scrolling

Scrollbars are hidden by default in OSX, so this should make no
difference for them
For other systems, they are plain ugly, so it might be better to hide
them
Horizontal scroll is still possible

Solution was based on the answer given here:
http://stackoverflow.com/questions/5820304/hidden-scrollbars-in-firefox-allows-scrolling-but-just-no-scrollbar
Upgrades to ruby 2.1.5
Migrating from travis to semaphore
Adds bin directory. Clean up gitignore
Moves Procfile.production to the root directory
Adds MIT License
Updates readme
Adds rubocop to the test suite
Changes build badge to a shields badge
Adds "Load more" and posts limit
Adds opbeat
Adds opbeat
Fixes twitter handle in UserDecorator
Opbeat fixes
Updates opbeat
updates opbeat
Adds new relic
Removes opbeat