crush feed png images on upload (bug 1049096)
Commit from Mozilla Verbatim by user civas.: 1627 of 1947 strings translated (0 fuzzy).
Merge branch 'master' of ssh://github.com/mozilla/zamboni
Commit from Mozilla Verbatim by user tonnes.mb@gmail.com.: 1947 of 1947 strings translated (0 fuzzy).
Merge branch 'master' of ssh://github.com/mozilla/zamboni
Fixed use of messages on content ratings edit page
switch to stable.dev.lcip.org (bug 1050602)
fix iarc tests
Merge pull request #2395 from ngokevin/feedcrush

crush feed png images on upload (bug 1049096)
Disable mozflare CDN in dev settings.
set an accurate limit for es feed element query (bug 1052921)
add stuff to feed webapp serializer needed for installs (bug 1052794)
Unskip removeuserfromgroup test (bug 1053137)
Merge pull request #2402 from diox/unskip-removeuserfromgroup-test

Unskip removeuserfromgroup test (bug 1053137)
Remove extra import that is now useless (bug 1053137)
Remove path.py dependency (bug 1026472)
Remove amo-validator dependency (bug 1045545)
Merge pull request #2398 from diox/remove-amo-validator

Remove amo-validator dependency (bug 1045545)
Merge pull request #2399 from diox/remove-path-py

Remove path.py dependency (bug 1026472)
Seek back to the beginning when uploading a file (bug 1045764)

Some of our code might read the beginning of the file returned by
the form before handing it over to FileUpload.from_post().