Second commit of version

code/resources/assets/less/bootstrap/mixins/responsive-visibility.less

@@ -1,15 +0,0 @@
-// Responsive utilities
-
-//
-// More easily include all the states for responsive-utilities.less.
-.responsive-visibility() {
-  display: block !important;
-  table&  { display: table; }
-  tr&     { display: table-row !important; }
-  th&,
-  td&     { display: table-cell !important; }
-}
-
-.responsive-invisibility() {
-  display: none !important;
-}