reverted project user search back to 0000003:0000001.62. It's faster and more straight
forward than the current implementation. It also works better.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@3518 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9