Update de.json

See merge request arsnova/arsnova-lite!264

Update en.json

See merge request arsnova/arsnova-lite!263

Update room-list.component.html

See merge request arsnova/arsnova-lite!262

Update manifest.webmanifest

See merge request arsnova/arsnova-lite!261

Show the tool bar from the 3rd comment on

See merge request arsnova/arsnova-lite!260

Improve comment-list view + 2 bug fixes

Closes #288

See merge request arsnova/arsnova-lite!257

Merge branch '301-show-session-description-in-the-view-of-a-lecturer-without-menu-and-title' into 'master'

Resolve "Show session description in the view of a lecturer without menu and title"

Closes #301

See merge request arsnova/arsnova-lite!259

wording

See merge request arsnova/arsnova-lite!256

wording and spelling

See merge request arsnova/arsnova-lite!255

Fix service worker

Closes #299

See merge request arsnova/arsnova-lite!254

correct some manifest settings

See merge request arsnova/arsnova-lite!253

wording and spelling

See merge request arsnova/arsnova-lite!252

wording and spelling

See merge request arsnova/arsnova-lite!251

"create question" and "statistics" commented out for EDULEARN19

See merge request arsnova/arsnova-lite!249

some style edits

See merge request arsnova/arsnova-lite!248

Resolve "Hide "Ask question" and "Statistics" options"

Closes #293

See merge request arsnova/arsnova-lite!246

Merge branch '297-f-ed-up-design-on-the-light-version-when-focusing-on-any-input-field' into 'master'

Fix colors in several components

Closes #297

See merge request arsnova/arsnova-lite!247