Support for lowercase pagename

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@10271 5227b50d-9349-4574-b055-4b0a7525e11c
partially revert last commit since substing redirects does not have the expected results

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@10272 5227b50d-9349-4574-b055-4b0a7525e11c
double quotation marks covered

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@10273 5227b50d-9349-4574-b055-4b0a7525e11c
For https://en.wikipedia.org/wiki/Wikipedia_talk:AutoWikiBrowser/Feature_requests#Add_.27encoding.3D.22UTF-8.22.27_to_first_line_of_settings_xml_file

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@10274 5227b50d-9349-4574-b055-4b0a7525e11c