Remove email support from login (fixes #99)

Change-Id: I1915890303c33cfb7a834fd4095e6cfc81e704fe
diff --git a/dev/demo/all.html b/dev/demo/all.html
index 37d15b6..3aa40ca 100644
--- a/dev/demo/all.html
+++ b/dev/demo/all.html
@@ -71,7 +71,7 @@
 	<fieldset>
 	  <form>
 	    <legend><span>Anmelden</span></legend>
- 	    <input type="text" name="handle_or_email" placeholder="Benutzername" />
+ 	    <input type="text" name="handle" placeholder="Benutzername" />
 	    <div>
 	      <input type="password" name="pwd" placeholder="Passwort" />
 	      <button type="submit"><span>Go</span></button>
diff --git a/dev/demo/sidebar-login.html b/dev/demo/sidebar-login.html
index 2b127f1..5d395a2 100644
--- a/dev/demo/sidebar-login.html
+++ b/dev/demo/sidebar-login.html
@@ -21,7 +21,7 @@
       <fieldset>
   <form action="/user/login" method="POST">
   <legend><span>Anmelden</span></legend>
-    <input name="handle_or_email" placeholder="Benutzername oder Email" type="text">
+    <input name="handle" placeholder="Benutzername" type="text">
     <div>
       <input name="pwd" placeholder="Passwort" type="password">
       <button type="submit"><span>Los!</span></button>