• core/user_api.php
  (user_set_field): new function to set a user field
  (user_reset_password): new function to reset a user's password
• manage_user_reset.php: update to use new user_api functions

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@1511 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9