Resolve "Follow-up from "Resolve "HttpService - Error handling"""

Closes #79

See merge request swtp-block-ws17/arsnova-angular-frontend!81

participant home screen api

Closes #91, #93, #94, #95, #96, #101, and #102

See merge request swtp-block-ws17/arsnova-angular-frontend!87

Remove empty line
Revert unneeded changes
Remove leading space
Reduce double code

Fix room quick joining
Refactor to new api routes

Lukas Mauß authored 7 years ago and Lukas Maximilian Kimpel committed 7 years ago

Fix demo room joining

Add getter/setter for AuthenticationService
Create new getter for CreatorRooms

Add getter/setter for AuthenticationService
Create new getter for CreatorRooms

Add constructor
Re-add user role
Update AuthenticationGuard and AuthenticationService accordingly

API BASE BRANCH

Closes #128

See merge request swtp-block-ws17/arsnova-angular-frontend!74