kernel config: enable initramfs gzip compression, enable squashfs xattrs and gzip compression using zlib
lxc package: enable libcap support as it seems lxc is pretty useless without it
script to create a bootable squashed filesystem image, squashfs-tools: these are the tools used for creating and extracting from squashfs images
enter-chroot: try to umount lazily if forced umount fails
Merge pull request #151 from soul9/squashfs-merge

squashfs work