add icon myFiles user_portal

main/css/chamilo/default.css

@@ -1050,6 +1050,10 @@ END INSTALL CHAMILO
         background: url("images/icon-chamilo.png") no-repeat 0 -618px;
         padding-left: 40px;
     }
+    .myfiles-social{
+        background: url("images/icon-chamilo.png") no-repeat 0 -287px;
+        padding-left: 40px;
+    }
     
 
 /*+++++++++++++++++++++++++++++++++
@@ -1180,6 +1184,11 @@ RESPONSIVE CSS
         padding-left: 30px;
         background-size: 25px auto;
     }
+    .myfiles-social{
+        background: url("images/icon-chamilo.png") no-repeat 0 -240px;
+        padding-left: 30px;
+        background-size: 25px auto;
+    }
 }
 @media (min-width: 321px) and (max-width: 480px){
 footer {

main/lang/english/trad4all.inc.php

@@ -1539,4 +1539,4 @@ $DataTableSearch = "Search";
 $HideColumn = "Hide column";
 $DisplayColumn = "Show column";
 $LegalAgreementAccepted = "Legal agreement accepted";
-?>
+?>

user_portal.php

@@ -198,4 +198,4 @@ $controller->tpl->assign('classes_block', 				$controller->return_classes_block(
 $controller->tpl->display_two_col_template();
 
 // Deleting the session_id.
-Session::erase('session_id');
+Session::erase('session_id');