Make a few more shortcuts/actions raise the main window.

Also make registerShortcut set an application shortcut.
That is necessary when the user opened a separate editor window.

Change-Id: I366044b7acba51daca46a15a302a24b5b8e99cc1
Reviewed-by: David Schulz <david.schulz@digia.com>
Raise editor window after "go to line"

Change-Id: I3827716fa6233493224cd89d8417b95e7d34a711
Reviewed-by: David Schulz <david.schulz@digia.com>