Merge-request: 98
Reviewed-by: hjk <qtc-committer@nokia.com>

Add a title label to the pages. Use QGroupBoxes throughout.
Extend SavedAction to work with checkable QGroupBoxes. Polish UI files,
use common layout for VCS plugins. Performance: Apply only visited
settings pages. Add search keywords.

Task-number: QTCREATOR-26

core Find dialog and the "old" minibuffer based search.

A hot fix for the recent regression that 'n' and 'N' do not work and
the positioning of the cursor after the search is wrong.

core Find dialog and the "old" minibuffer based search.

A hot fix for the recent regression that 'n' and 'N' do not work and
the positioning of the cursor after the search is wrong.