restore pkgin_cd

	. make release.sh put packages on the cd
	. make setup script produce a better rc.package file

Change-Id: Ia4b7588975c2ddf630fa1c510715d82755f67f1e
set reasonable packages list

	. clang, binutils and git and dependencies on CD
	. don't bzip .iso

Change-Id: If43324b46289de5fd1ca7b64785f8ae6e97fd6b7
Set the motd to point to a wiki page.

Change-Id: I12bc9d07c4d3d0bcb17a27521a0f06ad5abb5fda