[GUI] Styling publish action with new calendar widget.
Merge branch 'master' of github.com:XIMDEX/ximdex

* 'master' of github.com:XIMDEX/ximdex:
  Adding project validation in link checker
  Searching for all fields in linkreport action and some translation issues.
  Adding call to echoNode method in filemapper action
  Fixing selection for projects