Save/load Skip if only cosmetic changes

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@10376 5227b50d-9349-4574-b055-4b0a7525e11c
Catch 'bigdelete' exception. Remark 'missingtitle' should be unaccessible after we introduced CanDelete

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@10377 5227b50d-9349-4574-b055-4b0a7525e11c
Enable delete button if editor is in a user group that can delete page

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@10378 5227b50d-9349-4574-b055-4b0a7525e11c
Follow up to last commit

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@10379 5227b50d-9349-4574-b055-4b0a7525e11c