Start unit tests for per-language Categories

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9732 5227b50d-9349-4574-b055-4b0a7525e11c
Fix category sorting problem on non-en wikis

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9733 5227b50d-9349-4574-b055-4b0a7525e11c