a) convert to .ui

b) The accept/reject changes dialogs now have a "close" button and the
accept/reject etc buttons are relocated into the main dialog button area rather
than as direct children of the view page. They now get disabled on switching to
the non-view page.

c) Merges the sc redline changes dialog, the sw redline changes dialog and the
sw autocorrect changes dialog

Change-Id: If0ba376c3f2d36709aeeed995fa9901741434c40