Evaluation criterion mail (#16) and style fixes
Merge branch 'feature-peerreview' of github.com:OpenMOOC/moocng into feature-peerreview
Now peer review upload check the file api support correctly
Merge branch 'feature-peerreview' of github.com:OpenMOOC/moocng into feature-peerreview
Evaluation_criteria translation removed from app
Check that the score counts before rendering it
Merge branch 'feature-peerreview' of github.com:OpenMOOC/moocng into feature-peerreview
Fix typo errors and add assigned_when attribute
Fix more typos, add description to assigned_when
Minor corrections in the MongoDB docs
Tell the user how many reviews has he done

Use django translations system for JS in order to be able to use
python format in them.
Fix minor translation problem of the peer reviews view
Small style changes in the review form
Fix previous commit
Now working on IE9 peer review file submision
Fixed jslint errors
Refactor sending email using templates and EmailMessage class
Merge branch 'feature-peerreview' of github.com:OpenMOOC/moocng into feature-peerreview
Documenting Amazon s3 configuration
Restoring removed s3_download_url