added member since into the admin user manager

@@ -444,3 +444,4 @@ input.dp-applied {
 .TzPaginateResults a { text-decoration: none; padding:1px 0px; border:1px solid transparent; }
 .TzPaginateResults a.active { color:#000; font-weight: bold; border:1px solid #ccc;padding:1px 3px; }
 
+.my-profile-table { margin-bottom:20px;}

@@ -150,6 +150,10 @@ class ProfileValidation extends Common\Validation {
     public function prefix($val) {
         update_user_meta($_POST['uid'], __FUNCTION__, $val);
     }
+    
+    public function member_since($val) {
+        update_user_meta($_POST['uid'], __FUNCTION__, $val);
+    }
 
     public function first_name($val) {
         if(empty($val)) {

@@ -166,6 +166,18 @@ $preference = get_user_meta($user->ID, 'email_address_preference', true);
                 </tr>
             </tbody>
         </table>
+        
+        <?php if ($role=="member") :?>
+        <h4>Membership</h4>
+        <table cellpadding="0" cellspacing="0" border="0" class="my-profile-table">
+            <tbody>
+                <tr>
+                    <th width="150">Member Since:</th>
+                    <td><input type="text" name="member_since" value="<?php echo get_user_meta($_GET['uid'], 'member_since', true);?>" /></td>
+                </tr>
+            </tbody>
+        </table>
+        <?php endif;?>
     </div>