Doc small fixes

See merge request funkwhale/funkwhale!288

Replace riot.im links with matrix.to links

See merge request funkwhale/funkwhale!287

Resolve "Industrialize the i18n workflow"

Closes #161 and #167

See merge request funkwhale/funkwhale!286

Currently translated at 100.0% (12 of 12 strings)

Translation: Funkwhale/front
Translate-URL: https://translate.funkwhale.audio/projects/funkwhale/front/fr/

Fix #332 Ensure 750 permissions on CI artifacts

Closes #332

See merge request funkwhale/funkwhale!284

Resolve "Login API Subsonic"

Closes #339

See merge request funkwhale/funkwhale!283

Resolve "Document troobleshooting"

Closes #256

See merge request funkwhale/funkwhale!281

Typos

See merge request funkwhale/funkwhale!282

Resolve "Validate agains Date header in HTTP Signature"

Closes #328

See merge request funkwhale/funkwhale!280

0.15 (2018-06-24)
-----------------

Upgrade instructions are available at
https://docs.funkwhale.audio/upgrading.html

Features:

- Added admin interface to manage import requests (#190)
- Added replace flag during import to replace already present tracks with a new
  version of their track file (#222)
- Funkwhale's front-end can now point to any instance (#327) Removed front-end
  and back-end coupling
- Management interface for users (#212)
- New invite system (#248) New invite system

Enhancements:

- Added "TV" to the list of highlighted words during YouTube import (#154)
- Command line import now accepts unlimited args (#242)

Bugfixes:

- Expose track files date in manage API (#307)
- Fixed current track restart/hiccup when shuffling queue, deleting track from
  queue or reordering (#310)
- Include user's current private playlists on playlist list (#302)
- Remove link to generic radios, since they don't have detail pages (#324)

Documentation:

- Document that Funkwhale may be installed with YunoHost (#325)
- Documented a saner layout with symlinks for in-place imports (#254)
- Upgrade documentation now use the correct user on non-docker setups (#265)

Invite system
^^^^^^^^^^^^^

On closed instances, it has always been a little bit painful to create accounts
by hand for new users. This release solve that by adding invitations.

You can generate invitation codes via the "users" admin interface (you'll find a
link in the sidebar). Those codes are valid for 14 days, and can be used once
to create a new account on the instance, even if registrations are closed.

By default, we generate a random code for invitations, but you can also use custom codes
if you need to print them or make them fancier ;)

Invitations generation and management requires the "settings" permission.

Fixed a few changelog fragments with wrong category

See merge request funkwhale/funkwhale!279