Road to v3.0.0-beta.1

- replaced slimScroll to overlayScrollbars
- added new layout types (fixed, navbar-fixed & footer-fixed)
- changed old default layout from "fixed" to non-fixed
- enhanced PushMenu.js to load options via data
- enhanced Layout.js new layout calcs, options via data for scrollbar
- fixed forms fontawesome icons
- added warning-feedback (without icon)
- added sidebar-mini-md
- updated index to use layout-fixed
- updated index2 to use layout-fixed, layout-navbar-fixed & layout-footer-fixed

build/js/ControlSidebar.js

@@ -89,7 +89,7 @@ const ControlSidebar = (($) => {
 
     _setMargin() {
       $(Selector.CONTROL_SIDEBAR).css({
-        top: $(Selector.MAIN_HEADER).outerHeight()
+        top: $(Selector.MAIN_HEADER).innerHeight()
       })
     }