o.c.u.pvmanager.widgets: adding selection support for VTableWidget
o.c.o.widgets.extra: VTableDisplay now uses common selection
o.c.o.widgets.extra: remove debug sout
o.c.u.pvmanager.widgets: implementing separate VTableWidgetSelection
o.c.u.pvmanager.widgets: VTableSelection exposes pv name.
Merge branch '3.2.x' of git@github.com:ControlSystemStudio/cs-studio.git into 3.2.x