UI improve on sidebar

Some changes has been implemented

app/shared/templates/directives/sidebar.html

@@ -2,7 +2,7 @@
     <div class="sidebar-nav navbar-collapse">
         <ul class="nav in" id="side-menu">
             <sidebar-search></sidebar-search>
-            <li ui-sref-active="active">
+            <li ui-sref-active="active" class="active">
                 <a ui-sref="dashboard.home"><i class="fa fa-dashboard fa-fw"></i> Dashboard</a>
             </li>
             <!--<li ui-sref-active="active"><a href="#/staffs" translate>Staffs</a></li>-->