Merge remote-tracking branch 'cocomaster/master'
Merge remote-tracking branch 'cocomaster/master'
Consolidated text on contribute and removed padding to make the
page not as spread out.

Text on the contribute page was a redundant copy of each class'
contribution page. The summary text was shortened and some vertical
padding was removed.
Merge branch 'master' of git://github.com/iamawong/codecombat into iamawong-master
Updating i18n tags for new contribute summaries.