Tweak frontpage

See merge request arsnova/arsnova-lite!175

Fix feedback

See merge request arsnova/arsnova-lite!174

remove old class from component and use service for getting the stream of feedback

remove old class from component and use service for getting the stream of feedback

Pwa

See merge request arsnova/arsnova-lite!173

Refactor comments

See merge request arsnova/arsnova-lite!172

SWTP Comment Project

Closes #3, #4, #5, and #8

See merge request arsnova/arsnova-lite!171

Set userId for voting...

See merge request swtp-2019/arsnova-lite!43

Delete comments

See merge request swtp-2019/arsnova-lite!41

Fix if statement for when comment extensions aren't available

See merge request swtp-2019/arsnova-lite!42

Clean up

See merge request swtp-2019/arsnova-lite!40