Remove email support from login (fixes #99)

Change-Id: I1915890303c33cfb7a834fd4095e6cfc81e704fe
diff --git a/kalamar.dict b/kalamar.dict
index c63ec8f..a18616c 100644
--- a/kalamar.dict
+++ b/kalamar.dict
@@ -35,7 +35,7 @@
     by => 'von',
     pwd => 'Passwort',
     email => 'Email',
-    userormail => 'Benutzername oder Email',
+    username => 'Benutzername',
     with => 'mit',
     glimpse => {
       desc => 'Zeige nur die ersten Treffer in beliebiger Reihenfolge'
@@ -122,7 +122,7 @@
     by => 'by',
     pwd => 'Password',
     email => 'Email',
-    userormail => 'Username or Email',
+    username => 'Username',
     with => 'with',
     notAvailInCorpus => 'Not available in the current corpus',
     pubOn => 'published on',