Fix `spinning icons example` link,when click on it add `.fa-spin` to icons

Fix white footer's background being visible on the sidebar when using fixed footer layout. I fixed by putting the page footer padding equal to the sidebar footer padding.

Minor visual change to last menu child draw only the top line.

This reverts commit 88ef9065.

This resolves issues where drop menus goes behind tables, images and other graphics on the page

- Change button layout
- Add compose

Update also fix some following problem:
- Switcher now working
- Datatable header fix example is now working
- Add missing starrr ratings
- Some mobile responsiveness on table.html page