add titles in gw_app

gw_app/templates/gw_app/nasmodel_add.html

@@ -1,6 +1,8 @@
 {% extends request.is_ajax|yesno:'bajax.html,base.html' %}
 {% load i18n bootstrap3 %}
 
+{% block title %}{% trans 'Add new gateway' %}{% endblock %}
+
 {% block breadcrumb %}
     <ol class="breadcrumb">
         <li><span class="glyphicon glyphicon-home"></span></li>

gw_app/templates/gw_app/nasmodel_list.html

@@ -1,6 +1,8 @@
 {% extends request.is_ajax|yesno:'bajax.html,base.html' %}
 {% load i18n %}
 
+{% block title %}{% trans 'Gateways' %}{% endblock %}
+
 {% block breadcrumb %}
     <ol class="breadcrumb">
         <li><span class="glyphicon glyphicon-home"></span></li>

gw_app/templates/gw_app/nasmodel_update.html

@@ -1,6 +1,8 @@
 {% extends request.is_ajax|yesno:'bajax.html,base.html' %}
 {% load i18n bootstrap3 %}
 
+{% block title %}{% trans 'Edit gateway' %}{% endblock %}
+
 {% block breadcrumb %}
     <ol class="breadcrumb">
         <li><span class="glyphicon glyphicon-home"></span></li>