* origin/develop: (87 commits)
Add a gopher url port config option
modify the migrations to use naive_datetime_usec
Fix filter migration
Fix migration timestamp type
Ecto 3.0.5 migration
Update frontend
Format
Use ILIKE to search users
transmogrifier: upgrade: when upgrading OStatus users to AP, ensure we always use the fake collection
user: properly cope with actors which do not declare a followers collection
transmogrifier: when determining followers collection URI, we may need to fetch the actor
test: add test for list sanitization
tests: add test for as:Public issues
activitypub: transmogrifier: do not allow missing lists to be interpreted as nil
activitypub: transmogrifier: ensure as:Public activities are delivered to followers
fix UploadTest to use new image_tmp.jpg
used imageOptim to reduce size of image files
Document additional pleroma changes to /api/v1/accounts/:id
Check if the user has indeed not been federated with
Added support for exclude_types, limit, and min_id in Mastodon notifications.
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