Performance tweak to Alerts

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9772 5227b50d-9349-4574-b055-4b0a7525e11c
Performance improvement to HasRefAfterReflist

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9773 5227b50d-9349-4574-b055-4b0a7525e11c
Performance improvement to AmbigCiteTemplateDates

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9774 5227b50d-9349-4574-b055-4b0a7525e11c