Use CanDeletePage to include sysop, eliminator or any other possible user groups that can delete pages

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@10373 5227b50d-9349-4574-b055-4b0a7525e11c
summary of last commit

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@10374 5227b50d-9349-4574-b055-4b0a7525e11c