Doc: Clean up qmake options list

- Fix Qt X11 Extras option
- Fix Active Qt link
- Reduce verbosity
- Mark relevant modules as deprecated
- The QtDeclarative library's corresponding module name is Qt Quick 1

Change-Id: I5e0d439ff2623563ab57c354337cddfd11179b50
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
sync.profile: Point dependencies to an empty string

This means that we are going to use the same branch name for the
dependencies as the branch of the repository under test.

If we are testing the 'stable' branch, all dependencies will point
to the 'stable' branch as well.

Change-Id: Ia7a118539e3e5265cd0bdca7800e48cb6fc534d0
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>