Add license. #1
Add .gitignore
Generate build order based on image dependencies
Filter rootfs.tar and package.* files.
Generate package.{provided,installed} files per repo. Use package.provided for compiling.
Added s6 and busybox repo, updated repos to use the new base images.
Fixed recursion in check_repo_dependencies()
Remove ld.so.cache in rootfs.tar, generate in Dockerfile instead.
Removed debug msg.
Bumped  to 20140904
Filter virtual package atoms.
Added java and elasticsearch repos.