Test on Ruby 2.1.1
Update LICENSE years
Update airbrake dependency to 3.1.16
Update multi_json dependency to 1.9.0
Update moped dependency to 1.5.2
Update raindrops dependency to 0.13.0
Update newrelic_rpm dependency to 3.7.3.204
Update copyright year of the error page
Use SVG badges for Travis CI and Gemnasium
Update sass dependency to 3.2.17
Update compass-rails dependency to 1.1.7
Update compass dependency to 0.12.4
Update chunky_png dependency to 1.3.0
Update uglifier dependency to 2.5.0
Update multi_json dependency to 1.9.2