Configs for mrf_rejectnonpublic

See merge request pleroma/pleroma!205

lib/pleroma/web/mastodon_api/views/status_view.ex: Fix status.json so it renders threads

See merge request !223

Add missing file extension if file does not have one

See merge request pleroma/pleroma!222

upload.ex: add MPEG Layer 3 file header.

See merge request pleroma/pleroma!221

* fix nginx 1.15 warning:

See merge request pleroma/pleroma!213

activitypub transmogrifier: handle activity lookup failure

Closes #156

See merge request pleroma/pleroma!216

Add TwitterAPI unretweet endpoint and cleanup AP.unannounce

See merge request pleroma/pleroma!218

oauth: support either name or username parameter with grant_type=password

Closes #180

See merge request pleroma/pleroma!219

oauth: fix password-based login when username is email address

Closes #199

See merge request pleroma/pleroma!220

streamer: don't relay boosts of messages which would otherwise be blocked

Closes #204

See merge request pleroma/pleroma!215

closes #199

closes #180

with the introduction of MRF, it is possible that an activity may be orphaned from it's parent, if
an activity in the chain was rejected by the active MRF policies.  accordingly, handle this in the
same way as any other orphaned activity.

closes #156

nginx: [warn] the "ssl" directive is deprecated, use the "listen ... ssl" directive instead

webfinger: send JRD by default instead of XRD

See merge request pleroma/pleroma!211

JRD being the default representation for WebFinger responses was standardized 5 years ago in
RFC 7033.

webfinger: refactor webfinger() functions

Closes #212

See merge request pleroma/pleroma!210

- remove code duplication
- move user lookup to parent with statement
- tighten both user lookup by nickname and activitypub URI with a type constraint

Proposal: Default Avatar Replacement

See merge request pleroma/pleroma!209

Dedupe uploads

See merge request pleroma/pleroma!115

MastoAPI: Add streaming for lists.

See merge request pleroma/pleroma!183

locked accounts

See merge request pleroma/pleroma!180

Nginx Config - Security Upgrades

See merge request pleroma/pleroma!207

* Added OCSP Stapling
* Added SSL Cache
* Changed ciphers
* Specified ECDH curves

* Removed TLSv1 and TLSv1.1
* Added OCSP Stapling
* Added SSL Cache
* Changed ciphers
* Specified ECDH curves