Bug #1191453: Make password field of type password

The password should not be displayed in
plaintext. I changed the type of the input
field to "password" to account for that.

Change-Id: I5d64470291e1c81b31bc0aaeb8cd65d809412ae7
Signed-off-by: Kristina D.C. Hoeppner <kristina@catalyst.net.nz>

htdocs/admin/users/add.php

@@ -94,7 +94,7 @@ $elements = array(
         ),
     ),
     'password' => array(
-        'type' => 'text',
+        'type' => 'password',
         'title' => get_string('password'),
         'rules' => array('required' => true),
     ),

htdocs/admin/users/edit.php

@@ -77,7 +77,7 @@ if (method_exists($authobj, 'change_username')) {
 if (method_exists($authobj, 'change_password')) {
     // Only show the password options if the plugin allows for the functionality
     $elements['password'] = array(
-        'type'         => 'text',
+        'type'         => 'password',
         'title'        => get_string('resetpassword','admin'),
         'description'  => get_string('resetpassworddescription','admin'),
     );