chroot failed when root is missing dirs before resolv.conf fil

This is done to be able to use preparation from scripts

new option --preserve, -p is added

completion and is add -p <tab> doesnt work because cword is used and doesn't escape options from the list

gonnet-ifier...

info command is used to get information about an image. It will replace list command

this command is and helper to chroot inside payload mounting /{proc,sys,dev,dev/pts} fs
inside the chroot and disable daemon restart

this also fix bad display of all changelog in verbose mode

we now have a changelog command, no needs to overload list output

we can now set a minimal installsystems version in your description
install will not be able to read those images

Add tarfile from python 2.7.2

This allow method add in Tarfile to have filter parameter.
This give us filter capa on file to include.
Should be removed when python 2.7 will be the minimum version

Because we roolback to python 2.6 requirment, we need to ship.

as a corolary, invalid option are no more loaded

This allow displaying to be done without coloration