Differentiate between un/read comments, toggle: autofocus incoming comments, focus next/prev comment, update incoming comments

Set limit of comment answers to 250 letters

Closes #331

See merge request arsnova/frag.jetzt!311

Avoid confusion by only allowing directSend=false when moderation is enabled

Closes #329

See merge request arsnova/frag.jetzt!310

Error handling for updating general room settings

Closes #328

See merge request arsnova/frag.jetzt!309

Remove unused help dialog

Closes #324

See merge request arsnova/frag.jetzt!307

Adapt to new ws gateway in proxy

See merge request arsnova/frag.jetzt!306

Change ws gateway port to default exposed from docker environment

See merge request arsnova/frag.jetzt!305

Resolve "Upgrade to angular 9"

Closes #248

See merge request arsnova/frag.jetzt!287

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