change imprint back to basics, until arslib is fully functional

Closes #379

See merge request arsnova/frag.jetzt!394

Allow users to enter fullscreen mode with enter-key

Closes #380

See merge request arsnova/frag.jetzt!392

Inset for fullscreen buttons to highlight focus

Closes #382

See merge request arsnova/frag.jetzt!391

Use correct attributes to generate csv

See merge request arsnova/frag.jetzt!393

change questionwall filter height from 45 to 50

Closes #375

See merge request arsnova/frag.jetzt!387

Resolve "Extend the Readme with a guide for Docker"

Closes #373

See merge request arsnova/frag.jetzt!366

implemented matomo with the ngx-matomo package

Closes #366

See merge request arsnova/frag.jetzt!348

Merge branch '348-use-the-selected-sort-order-for-questions-also-in-the-question-wall' into 'master'

Resolve "Use the selected sort order for questions also in the question wall"

Closes #348

See merge request arsnova/frag.jetzt!333

improve questionwall sort, sort by favorites, sort by user

Closes #358

See merge request arsnova/frag.jetzt!332

Merge branch '363-time-specifications-do-not-correspond-with-the-language-selection-german' into 'master'

de/en time format questionwall

Closes #363

See merge request arsnova/frag.jetzt!331

Person/user icon for questionwall button and comments

Closes #364

See merge request arsnova/frag.jetzt!330

Remove review apps step since deployment is changing

See merge request arsnova/frag.jetzt!328

add questionwall button i18n

Closes #361

See merge request arsnova/frag.jetzt!325

Merge branch '360-use-the-same-user-icon-on-the-question-wall-and-set-header-button-labels-apart' into 'master'

Resolve "Use the same user icon on the question wall and set header button labels  apart"

Closes #360

See merge request arsnova/frag.jetzt!324

Revert "Merge branch..."

See merge request arsnova/frag.jetzt!322

This reverts merge request !321

Merge branch '360-use-the-same-user-icon-on-the-question-wall-and-set-header-button-labels-apart' into 'master'

change questionwall icon, add person icon to questions, display answer, add...

Closes #360

See merge request arsnova/frag.jetzt!321

change questionwall icon, add person icon to questions, display answer, add questionwall button i18n