Improves RetryQueue behavior

See merge request pleroma/pleroma!609

Activitypub c2s

See merge request pleroma/pleroma!608

reduces to one single timer firing once a second
switches to a parallel worker model

More or less verbatim copied from the outbox template with only changes
to the activities fetched and url reported

Code style: remove wrapping function of outbox

Change 'name' to 'instance_name' so option is used when running non-interactive

See merge request pleroma/pleroma!607

update frontend

See merge request pleroma/pleroma!606

Add some hard limits on inserted activities.

See merge request pleroma/pleroma!595

[#483] Blocked users list import & export

Closes #483

See merge request pleroma/pleroma!603

[#480] Salmon# fixed publish an activity to remote accounts

See merge request pleroma/pleroma!605

(<nick>@<our_instance_host>).

[#471] Prevented rendering of inactive local accounts

Closes #471

See merge request pleroma/pleroma!599

Security/Drops the sysadmin privilege from the daemon

See merge request pleroma/pleroma!604

Treat any present value in "no_attachment_links" as true

Closes pleroma-fe#175

See merge request pleroma/pleroma!597

Fix Twitter timelines for private instances

See merge request pleroma/pleroma!602

[#396] Required Elixir ~> 1.7.

Closes #396

See merge request pleroma/pleroma!600

Create tombstone instead of object deletion

See merge request pleroma/pleroma!593

Reserve a few user names

See merge request pleroma/pleroma!594

Implement exclude_reblogs and include_rts

See merge request pleroma/pleroma!598