Adapt to the new backend

Strip models of unneccessary attributes.
Remove models that got merged into others.
Adjust proxy conf accordingly.

Adjust login errorhandling for new activation response

Adapt passwortreset to new Backendroute

Adapt logincheck responseparsing to new backend response.

Switch from datamanipulation via Websocket to HTTP Requests.

Fix find request for votes

Fix moderator account id handling

Set correct property names for Requests of Bonustokens

Fix roomsettings requests

Switch comment high- and lowlighting to HTTP Requests

Remove addHistory on adding a moderator, cause the new backend doesn´t need it