fix e-mail type

templates/install.tmpl

@@ -214,7 +214,7 @@
               </div>
               <div class="inline field {{if .Err_AdminEmail}}error{{end}}">
                 <label for="admin_email">{{.i18n.Tr "install.admin_email"}}</label>
-                <input id="admin_email" name="admin_email" type="email1" value="{{.admin_email}}">
+                <input id="admin_email" name="admin_email" type="email" value="{{.admin_email}}">
               </div>
             </div>
           </div>