[BUG_FIXED] (Author: Pekka Pöyry) Fix the issue of document focus after canceling exit on an unsaved file.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1003 f5eea248-9336-0410-98b8-ebc06183d4e3
[BUG_FIXED] (Author: Pekka Pöyry) Fix focus order by TAB key in preference dialog.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1004 f5eea248-9336-0410-98b8-ebc06183d4e3