Add optional 'newsletter' parameter to the newsletter API (bug 1046888)
Cleanup current_version and latest_version

This updates the logic so that only apps with a status in
`amo.WEBAPPS_APPROVED_STATUSES` have a `current_version` since a
`current_version` signifies the publicly available version of an app.
Bump elasticsearch-dsl
fix comm notes with no author during email stage
Honor limit and offset in FeedView (bug 1048567)
Merge pull request #2397 from chuckharmston/1048567

Honor limit and offset in FeedView (bug 1048567)
Merge pull request #2394 from diox/about-apps-newsletter

Add optional 'newsletter' parameter to the newsletter API (bug 1046888)
Make IARC skippable in local dev (bug 945991)
Merge pull request #2389 from washort/945991

Make IARC skippable in local dev (bug 945991)
Tarako review queue through AdditionReview (bug 1047183)
Merge pull request #2396 from mstriemer/additional-review-queue-1047183

Tarako review queue through AdditionReview (bug 1047183)
Merge branch 'master' of https://github.com/twiss/zamboni