fix es reindexing on amo
bug 8975777
update to use heka 0.4 clients
remove JSON from zadmin heka tests
Use self.stdout in reindex management command
Fix file viewer permissions.

tmpfile.mkdtemp creates a directory with 700 permissions,
then shutil.copytree copies the 700 over to "dest". This directory is
then unreadable by the webserver.
fix reindex management command test
Allow slugs for every endpoint in collections API (bug 918035)
Convert PreviewResource to DRF (bug 910622)
Hide non-public apps inside collections (bug 941337)
remove spinner after iarc form window is closed (bug 942870)
remove PAYMENT and PURCHASE_LIMITED (bug 943140)
Merge pull request #1449 from andymckay/943140-two

remove PAYMENT and PURCHASE_LIMITED (bug 943140)
Merge pull request #1465 from diox/convert-previewresource-to-drf

Convert PreviewResource to DRF (bug 910622)
fix deleting apps that have content ratings (bug 945466)
Added global total stats (bug 933861)
put regions w/ content ratings under switch (bug 943646)
Updated "Editors' Guide" URL in queue.html (bug 920289)
Merge pull request #1480 from ngokevin/iarcdelete

fix deleting apps that have content ratings (bug 945466)
Merge pull request #1450 from ngokevin/master

put content ratings for regions other than BR/DE under waffle (bug 943646)
Fixed data, which is passed by reference
update pfs for shockwave; bug 942746