Add base feed collection models
move Contribution etc into mkt.purchase (bug 999098)
Merge pull request #2107 from washort/999098

move Contribution etc into mkt.purchase (bug 999098)
use the right settings file
remove old update files
Updated test to use nose.cfg and run mkt,lib tests
Merge pull request #2131 from andymckay/settings

remove old update files
add in landfill settings and don't validate test suite settings
missing file
patch WEBAPPS_RECEIPT_URL correctly
don't check part of the path for non-existant default icons
fix validate_settings
Fix tests

* Change import path so the threadlocal doesn't exist in 2 places in
  memory .
* Add a dispatch_uid so the signals aren't sent twice for good measure.
Create model, serializer, and views for feed brand.
Merge pull request #2127 from chuckharmston/feed_collection_base

Base feed collection classes; Editorial Brand model, serializer, and API endpoints.
@ngokevin stole my migration number. Again.
add pagination to feedapp viewset (feed)
Commit from Mozilla Verbatim by user cesperanc@.: 1917 of 2491 strings translated (0 fuzzy).
Merge branch 'master' of ssh://github.com/mozilla/zamboni
remove print statement