Only show alternative dates in the future
Show current date in alternative date list
Add has departed and has returned helpers
Tempoarily hide no signup message
Add warning for departed activites
Clean up code formating
Merge branch 'aktivitet-kjerneside-date-tweaks'

SHERPA-736 #time 1h #close
SHERPA-926 #time 30m #close
SHERPA-957 #time 10m #close
Added tooltip to editor add content buttons
Use new class for left aligned labels
Use more accurate description of aspect ratio (Firkant => Kvadrat)
Remove formatting on all text in current contenteditable after pasting text
Merge branch 'editor-misc'