moved build_images from dbt-dev-helpers to here for coerence.
move functions from auto/config to functions file. they will be sourced and executed from build_images script.
run the functions executed before "lb config" in build_images
run functions executed after "lb config" to build_images
use --ignore-system-defaults in auto/config so files in /etc/live/ are ignored
wait 10 seconds before building images to give chance to check output and cancel
source functions file correctly
add an option to skip mksquashfs by using ext2 filesystem. saves time while developing.
add a function to pin with -1 package recommends that user dont want installed
latest live-build in stable wheezy use config/apt/ instead of config/chroot_apt/
set LB_ARCHIVE_AREAS to "main contrib non-free" by default
add an option to add up to 4 user defined apt urls and keys; using experimental by default
make user defined apt urls actually work
live-build uses config/apt/ instead if chroot_apt/; fix auto/clean