Update Error Reporter to receive messages from RavenJS (bug 942912)

- Receive URL encoded JSON messages from RavenJS
- Pass out through Raven client
- Updated test
Commit from Mozilla Verbatim by user steekid.: 4985 of 4985 strings translated (0 fuzzy).
Merge branch 'master' of ssh://github.com/mozilla/zamboni
Update Russian L10n
Commit from Mozilla Verbatim by user auzelac91.: 1819 of 4985 strings translated (0 fuzzy).
Merge branch 'master' of ssh://github.com/mozilla/zamboni
Bug 970938 - Update sr-Latn with sr-Cyrl converted running icu4c script
Merge branch 'master' of ssh://github.com/mozilla/zamboni
fix theme promo on disco pane
Merge pull request #1713 from JaredKerim-Mozilla/942912

Update Error Reporter to receive messages from RavenJS (bug 942912)
Switch dev to Bango Test for Simone (bug 970310)
Fixed problem with weekly installs calculation (bug 962174)
Update ratings metric to record ratings per day (bug 858298)
Updated stats API for new stats
Merge branch 'master' of ssh://github.com/mozilla/zamboni
Remove magic that automatically updates *_version when accessed (bug 963662)
Merge pull request #1736 from diox/remove-update-version-magic

Remove magic that automatically updates *_version when accessed (bug 963662)
Show queue position for new versions of public apps (bug 931385)
Merge pull request #1746 from diox/queue-position-latest-version

Show queue position for new versions of public apps (bug 931385)
Fix mkt.developers.tests.test_views_versions.TestVersionPackaged.test_delete_version