Updated copyrights.
Updated li3 version up to 1.0-beta
Added a Readme.md for some early pointers.
It's a copy from
http://li3.me/docs/manual/getting-started/installation.md
Merge remote-tracking branch 'upstream/dev' into dev

Conflicts:
	app/views/layouts/default.html.php
	app/views/layouts/error.html.php