Mozilla Discourse release 2017-04-13

Since our last set of release notes:

Upstream feature additions:

git log --pretty="%h %s" --no-merges 3ef82bb32c681fb98b475d5b7e6d6457841d4a80...679b6548e66af5aec94e23ae6bf83ac4c74aed7d | grep FEATURE
a3e8c3cd7 FEATURE: Native theme support
1a9afa976 FEATURE: Add AWS S3 EU (London) "eu-west-2" region
7e060e842 FEATURE: Add AWS S3 EU (London) "eu-west-2" region
e49f3a408 FEATURE: Add option for `ExcerptParser` to keep onebox source.
402eaaa77 FEATURE: add og tags to metadata in individual badges page
40ab2e566 FEATURE: Let users update their emails before confirming
9065df76a FEATURE: Change name from admin page.
f4758a4c4 FEATURE: Allow admins to schedule a topic to be published in the future.
ed577fbff FEATURE: Pause a topic instead of permanently closing when flag threshold is reached.
34b7bee56 FEATURE: Allow admin to auto reopen at topic.
f3cd5f61c FEATURE: Send anonymized usage statistics to Discourse if Discourse Hub can't reach the site
6e847bb29 FEATURE: mobile support for row and box category styles
0083602dd Revert "FEATURE: mobile support for row and box category styles"
7c1796617 FEATURE: Include email in `User` webhook.
33ed064e5 FEATURE: mobile support for row and box category styles

Full upstream changes.