version and laysummary are valid parameters for {{cite web}}

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9874 5227b50d-9349-4574-b055-4b0a7525e11c
Updated list of {{cite web}} parameters

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9875 5227b50d-9349-4574-b055-4b0a7525e11c
Guard against a few possible nulls apparently

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9876 5227b50d-9349-4574-b055-4b0a7525e11c