Sec 0003611: Mask passwords when printing detailed error information.

M core/error_api.php
(error_print_context): Mask all variables whose names include the word 'password'.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@2416 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9