- created build/scss/plugins/_mixins.scss
- updated build/scss/plugins/_select2.scss
- added color variation for select2
- updated build/scss/AdminLTE(-raw).scss
- updated pages/forms/advanced.html with color variations and both themes

- created Toasts.js
- updated build/js/scss/plugins/_toastr.scss
- added toast-variant mixin in build/scss/_mixinis.scss
- created build/scss/_toasts.scss
- added zindex-toasts variable in build/scss/_variables.scss
- updated build/scss/AdminLTE.scss & build/scss/AdminLTE-raw.scss
- updated pages/UI/modals.html
- created docs/javascript/toasts.md
- updated docs/_config.yml

- updated package.json
- updated build/npm/Plugins.js
- added build/scss/plugins/_bootstrap-switch.scss with bootstrap 4 style & color overrides
- updated pages/forms/advanced.html with bootstrap switch demo & added rows in icheck demo
- added plugins files

- changed /* comments to // (to avoid displaying in compiled css file)
- added .alert-primary
- removed _label.scss (due renamed to badge with BS4)
- reworked bg-*, bg-gradient-*, custom-switch-*, custom-range-* as mixin
- changed control-sidebar-light border color to main-header border
- renamed `.direct-chat-info` to `.direct-chat-infos` (not theme color, its a extra block inside direct-chat & updated demo files
- enhanced direct-chat with all colors
- added `.dropdown-menu-xl`
- reworked color-palette in pages/UI/general
- changed `Block Quotes Pulled Right` to `Secondary Block Quotes` in pages/UI/general
- removed `@-webkit-keyframes flipInX` due autoprefixer
- enhanced demo.js with additional colors for sidebar & renamed `Navbar border` to `No Navbar border`

- 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