..nebula: adding grid and gridviewer to support multiline tables on all
OS

Change-Id: Id6db31e408ee553b4825d11e84e308a103597dd2
..logbook.ui.extra: plugin for creating LogEntryTable using the nebula
grid widget

Change-Id: Ifdc4f6705d65bdf98507c36f700ae06d69e7a945
..logbook: externalize the search key strings

Change-Id: I48e901c59d1455cade43a67c6d9699e3708e3768
Merge branch '3.2.x' of ssh://git@github.com/ControlSystemStudio/cs-studio.git into 3.2.x