Wait for ARSnova before starting tests
Refactored server wait into bash script
Release version 2.0.0
Start next patch release cycle
Do not show Presenter button for guests

Presenter currently does not support anonymous users.
Use Presenter path from backend configuration
Connect to socket only after login
Receive question ids via web sockets and display notifications
Set badges based on web socket input
Deleted now obsolete methods
Changed button colors and removed unused code.
Updated toolbar style; added mixins to enable easier theme
customization.
Merge branch 'master' of https://github.com/felix-schmidt/arsnova-mobile into felix-schmidt-master
Merge branch 'felix-schmidt-master'
Fixed build
Merge branch 'master' of https://github.com/felix-schmidt/arsnova-mobile into felix-schmidt-master
Merge branch 'felix-schmidt-master'
Updated button ui and style.
Changed confirm msgbox button ui to "action".
Updated scss/css declaration style; added button changes for speaker
view.