Merge pull request #595 from ControlSystemStudio/logbook

Logbook
#594: Export logs from LogbookViewers: fixing the replaceall regex and
initializing the export dialog with all fields selected
#594: Export logs from LogbookViewers:
Moving the action into the logbook.ui.util package, fixing the regex,
setting the default selection to be all fields.
Merge pull request #5 from ControlSystemStudio/3.3.x_issue594

3.3.x issue594