Move 3rd party PasswordHash library into the "lib" dir for

consistency.  No 3rd party libs in "libraries", at least for now.

modules/user/helpers/user.php

@@ -231,6 +231,7 @@ class user_Core {
 
     /* Also support hashes generated by phpass for interoperability with other applications */
     if (strlen($valid) == 34) {
+      require_once(MODPATH . "user/lib/PasswordHash.php");
       $hashGenerator = new PasswordHash(10, true);
       return $hashGenerator->CheckPassword($password, $valid);
     }