CVCenter now using TabbedView2 instead of TabbedView

Signed-off-by: nuss <st9fan@gmail.com>
trying to figure out how to get a hold of the properties of detached tabs…
CVCenter

Signed-off-by: nuss <st9fan@gmail.com>
first try to write a custom detach-method for tabs in a TabbedView2
minor cosmetics in CVCenter

Signed-off-by: nuss <st9fan@gmail.com>
CVCenter, CVWidget(MS)Editor now using TabbedView2
… still some riddles to solve

Signed-off-by: nuss <st9fan@gmail.com>