remove ROLE_GUEST & guest user...
Merge branch 'master' into feature/drop_guest

* master:
  Fix timepicker to correctly use arrows.
  Attemt to fix travis
  Attemt to fix travis
  Attempt to fix travis
  changed method addViolationAtSubPath into  addViolationAt
security.yml change documented...
modified fixture / removed GuestUserListener entry in doc
modify ROLE_GUEST acl security identity
sanity check added (just in case)
fixed typo
removed test
Merge pull request #221 from Kunstmaan/feature/drop_guest

Feature/drop guest