Merge branch '316-link-button-for-easy-sending-of-tokens-to-the-lecturer-of-a-session' into 'master'

Resolve "Link button for easy sending of tokens to the lecturer of a session"

Closes #316

See merge request arsnova/frag.jetzt!286

Export answer of a question as well

Closes #311

See merge request arsnova/frag.jetzt!285

Remove export column 'favorite'

Closes #317

See merge request arsnova/frag.jetzt!284

Sort comments by column "bonus-token"

Closes #314

See merge request arsnova/frag.jetzt!283

Resolve "Sort the export table in ascending order by the column "Bonus Token""

Closes #314

See merge request arsnova/frag.jetzt!282

Seperate db- and guest-login visually

Closes #249

See merge request arsnova/frag.jetzt!281

Cleanup export, just download as csv

Closes #313

See merge request arsnova/frag.jetzt!279

Correct export formats

Closes #309

See merge request arsnova/frag.jetzt!278

Resolve "Export function with new token export is buggy"

Closes #309

See merge request arsnova/frag.jetzt!277

Offer delete option for own rooms in room list

Closes #308

See merge request arsnova/frag.jetzt!276

Set permissions when joining a room via click in list

Closes #293

See merge request arsnova/frag.jetzt!275

Add bonus token and bonus timestamp to export

Closes #303

See merge request arsnova/frag.jetzt!272

Add new comment list filter 'My questions'

Closes #302

See merge request arsnova/frag.jetzt!273

Cleanup room list

Closes #293

See merge request arsnova/frag.jetzt!274

Add comment answer page to moderators routing

Closes #304

See merge request arsnova/frag.jetzt!271

Merge branch '300-requesting-fullscreen-on-comment-board-leads-to-heavy-bugs-on-mobile-devices' into 'master'

Only request fullscreen for comment board on desktop device

Closes #300

See merge request arsnova/frag.jetzt!270