Resolve "Funkwhale unable to import Albums with multiple Artists"

Closes #237

See merge request funkwhale/funkwhale!311

Resolve "Ensure artists with empty names are not accepted"

Closes #351

See merge request funkwhale/funkwhale!312

Resolve "Ensure default MEDIA_ROOT is /srv/funkwhale/data/media"

Closes #350

See merge request funkwhale/funkwhale!310

Resolve "Importer chokes on files with bad unicode characters"

Closes #138

See merge request funkwhale/funkwhale!309

Resolve "Document that Android users can use Ultrasonic instead of DSub"

Closes #316

See merge request funkwhale/funkwhale!308

Resolve "Add ordering on federated library track table"

Closes #326

See merge request funkwhale/funkwhale!307

Updated translation catalog

See merge request funkwhale/funkwhale!306

Add Polish translation

Closes #166

See merge request funkwhale/funkwhale!304

Translations integration

See merge request funkwhale/funkwhale!305

Fix typos, removed non-breaking spaces and remaining $gettext in templates

See merge request funkwhale/funkwhale!303

Signed-off-by: Marcin Mikołajczak <me@m4sk.in>

Signed-off-by: Marcin Mikołajczak <me@m4sk.in>

Adding arabic translation

See merge request funkwhale/funkwhale!302

Resolve "Smarter query language in search bar"

Closes #344

See merge request funkwhale/funkwhale!301

[doc] Installation on Arch Linux

See merge request funkwhale/funkwhale!300

typo

[doc] Installation: moved wheel installation earlier in the process so we don't require build-essential

[doc] Arch Linux installation: modified the command for user creation so it works on both Debian and Arch

Gettext output

See merge request funkwhale/funkwhale!299