Scripts for guest setup

The setup-once script is to be used only once on the guest machine,
the .rc file will be sourced by various scripts to get the locations
of some common directories specific to that guest.

Signed-off-by: Alin Dobre <alinmd@gmail.com>
Moved all guest specific to subdirectory

To separate guest scripts from the ones that are run on the host, they
should be stored in their own directory.

Signed-off-by: Alin Dobre <alinmd@gmail.com>
Kernel config file and compilation script

Signed-off-by: Alin Dobre <alinmd@gmail.com>