Optimized login procedure

application/templates/frames/default.html.twig

@@ -1,6 +1,7 @@
 {% extends "base.html.twig" %}
 {% block body %}
 {% include 'frames/structure/navbar.html.twig'%}
+{% include 'frames/structure/message/flash_messages.html.twig'%}
 <br />
 <div class="container">
 	{% block content %}

application/templates/frames/structure/message/flash_messages.html.twig

@@ -0,0 +1,5 @@
+{% for message in app.flashes('notice') %}
+    <div class="flash-notice">
+        {{ message }}
+    </div>
+{% endfor %}

application/templates/user/login.html.twig

@@ -6,16 +6,16 @@
 <h1>
 	{% trans %}login{% endtrans %}
 </h1>
-<form method={{ path('login') }}>
+<form action={{ path('login') }} method="post">
 	<div class="form-group">
 		<label for="username">{% trans %}Username{% endtrans %}</label> <input
-			type="username" name="username" class="form-control" id="username"
+			type="username" name="_username" class="form-control" id="username"
 			aria-describedby="usernameHelp"
 			placeholder="{% trans %}Enter username{% endtrans %}'">
 	</div>
 	<div class="form-group">
 		<label for="password">{% trans %}Password{% endtrans %}</label> <input
-			type="password" name="password" class="form-control" id="password"
+			type="password" name="_password" class="form-control" id="password"
 			placeholder="{% trans %}Password{% endtrans %}">
 	</div>
 	<button type="submit" class="btn btn-primary">