endDate and endTime are now required, eliminating the need for special cases with empty fields.
Further simplified code and tests.
Improved validation message.
Merge pull request #421 from NicoleRauch/master

endDate und endTime sind jetzt Pflichtfelder; Code vereinfacht
increase timeout for  smoke tests with different processes
fix isFilled for strings
Added credits for Uberspace
do not include empty direction (Wegbeschreibung) into page and mail message
fix formatting
fix direction test in activities markdown
rework according to code review
moved drop down to buttons
Streamlined mail archive code. Had to delete tests for that. Tests should be added again in the future
Merge commit '92890a57aab0a2e2da6e148c84db65d2cfe65b17'

# By Nicole Rauch
# Via Andreas Leidig (1) and Nicole Rauch (1)
* commit '92890a57aab0a2e2da6e148c84db65d2cfe65b17':
  Improved validation message.
  Further simplified code and tests.
  endDate and endTime are now required, eliminating the need for special cases with empty fields.
removed useless members
mailarchive even simpler
formatting
mail now having member reference instead of parts only
Sharpened the node version requirements.
Merge pull request #425 from NicoleRauch/master

Kleine Verbesserungen in der Doku.