Added Email to signin.html

templates/signin.html

@@ -9,7 +9,7 @@
             <div class="columns is-centered">
                 <form method="post" accept-charset="UTF-8" action="auth" class="box">
                     <div class="field">
-                        <label for="id" class="label">Username</label>
+                        <label for="id" class="label">Username/Email</label>
                         <div class="control">
                             <input id="id" type="text" name="id" class="input is-rounded is-primary">
                         </div>