Draft: Creation for ParserTests

* Create parserTest as Specialpage DebugMath
** parameter action=parserTest to enable the Parser test output format
** parameter page=Pagename is the pagename to be used for generating the parser test
* Requires the geshi syntax highlighter to format <source> element correctly

* apply stylize.php

Change-Id: Ib23e4209c82dfe52986511ed7d9b930029848ea4