move extra packages to branch-specific dir

This way extra packages for one branch won't come in
a way when building a different branch
fix message about DejaVu font missing
add 'wicd' package
Use serial console for earlprintk too
Ignore errors from 'mv *.sqf /.rcd/modules'

There is nothing to move when running in the 'minimum RAM' mode.
grub.cfg: Pass EFI video mode data to kernel