Fix #737: delivering of local activities causing unintended side effects, such as rollbacking changes

Deleted developers/index.rst, developers/subsonic.rst files

Fix #751: saving moderation policy when clicking on "Cancel"

See merge request funkwhale/funkwhale!662

Fixed #652: escaping issues in translated strings

See merge request funkwhale/funkwhale!658

Fixed a crash when federating a track with unspecified position

See merge request funkwhale/funkwhale!652

Fix #745: Added documentation to set up let's encrypt certificate

See merge request funkwhale/funkwhale!651

Fixed wrong proxy config file in docker documentation

See merge request funkwhale/funkwhale!650

Fix #743: Do not send notification when rejecting a follow on a local library

See merge request funkwhale/funkwhale!649

Fix #729: Display new notifications immediatly on notifications page

See merge request funkwhale/funkwhale!648

Fix #716: constant and unpredictable reordering during file upload

See merge request funkwhale/funkwhale!647

Fix #713: Added documentation on mono-container docker upgrade

See merge request funkwhale/funkwhale!646

Added link/documentation for Mobydick

See merge request funkwhale/funkwhale!630

Fix #707: Fixed cards display issues on medium/small screens

See merge request funkwhale/funkwhale!614

Fix #706: Added a 'fix_federation_ids' management command to deal with...

See merge request funkwhale/funkwhale!606

Fix #706: Added a 'fix_federation_ids' management command to deal with protocol/domain issues in federation
IDs after deployments

Fix #705: Can now use a local file with FUNKWHALE_SPA_HTML_ROOT to avoid sending an HTTP request

See merge request funkwhale/funkwhale!592

Fix #694: resizing issues on album cards

See merge request funkwhale/funkwhale!591

Fix #696: Embed component name that could lead to issue when developping on OSX

See merge request funkwhale/funkwhale!587