- enhanced Layout.js to add .main-sidebar .sidebar-focused
- added focus style same as hover style in sidebar nav links etc
- added sidebar-focused in sidebar-mini collapsed state
- 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
