Commit from Mozilla Verbatim by user a.polivanchuk@outlook.com.: 250 of 1966 strings translated (1 fuzzy).
clean up feed filtering
filter for public apps for the feed, don't slice until filter (bug 1056426)
Merge pull request #2435 from ngokevin/filterfeed

filter for public apps for the feed (bug 1056426)
Populate guid for inapp products (bug 1056363)
Merge pull request #2437 from JaredKerim-Mozilla/1056363

Populate guid for inapp products (bug 1056363)
feed region exclusions (bug 1055962)
Merge pull request #2438 from ngokevin/feedregion2

feed region exclusions (bug 1055962)
refactor feed filtering
Merge pull request #2439 from ngokevin/filterrefactor

refactor feed filtering
oops, we need device_type to be sent to feed (bug 1057068)
Updated compatibility UI to not override database (bug 1055513)
Fixed migration number
add stage to iframe whitelist
Bump django (bug 1053841)