Update AdminLTE

- from 2.4.5 to 2.4.18 (cannot detect any issues)
- set default scancycle for Apple Devices to 1

front/lib/AdminLTE/build/less/skins/skin-black-light.less

@@ -11,8 +11,8 @@
 .skin-black-light {
   //Navbar & Logo
   .main-header {
-    //.box-shadow(0px 1px 1px rgba(0, 0, 0, 0.05));
-    border-bottom: 1px solid @gray-lte;
+    .box-shadow(0px 1px 1px rgba(0, 0, 0, 0.05));
+    // border-bottom: 1px solid @gray-lte;
     .navbar-toggle {
       color: #333;
     }
@@ -41,7 +41,7 @@
         }
       }
     }
-    > .logo {
+    .logo {
       .logo-variant(#fff; #333);
       border-right: 1px solid @gray-lte;
       @media (max-width: @screen-header-collapse) {
@@ -62,4 +62,4 @@
   }
   //Create the sidebar skin
   .skin-light-sidebar(#fff);
-}
+}

front/lib/AdminLTE/build/less/skins/skin-black.less

@@ -40,7 +40,7 @@
         }
       }
     }
-    > .logo {
+    .logo {
       .logo-variant(#fff; #333);
       border-right: 1px solid #eee;
       @media (max-width: @screen-header-collapse) {