New graphics flags etc

Includes new graphics/flags and requires many more, this is a branch so
these new improvements can be studied and improved on and discussed.

Conflicts:
	README.md
	css/silk.css
	favicon.ico
	global.js
	images/favicon.ico
Added missing flags
Clean up flag icons and add 3D flag.
Update video and audio panel for new flags.
Update change log.
Merge branch 'graphics-update' into refactor-movies