Use type email in teachers_add_update view

templates/teachers_add_update.html.tpl

@@ -36,9 +36,9 @@
       <input type="text" name="Surname" class="form-control" id="teacher_surname" placeholder="Cognome" {{if .Options.Get "update"}} value="{{.Data.Surname}}" {{end}} required>
     </div>
 
-        <div class="form-group has-feedback">
+    <div class="form-group has-feedback">
       <label class="control-label" for="teacher_altemail">Email alternativa</label>
-      <input type="text" name="AltEmail" class="form-control" id="teacher_altemail" placeholder="Email alternativa" {{if .Options.Get "update"}} value="{{.Data.AltEmail}}" {{end}}>
+      <input type="email" name="AltEmail" class="form-control" id="teacher_altemail" placeholder="Email alternativa" {{if .Options.Get "update"}} value="{{.Data.AltEmail}}" {{end}}>
     </div>
 
     <div class="form-group has-feedback">