Merge pull request boot2docker#1241 from nathanleclaire/bins_bins_bin…

…s_bins_bins_bins_bins

Update boot2docker build to get binaries from new URL

Update AUFS to v4.4-20170220

Update to 1.13.1

Update to kernel 4.4.47, AUFS v4.4-20170206, aufs-util aufs4.1-20170206

Update kernel to v4.4.45, AUFS to v4.4-20170130, aufs-utils to aufs4.…

…1-20170130

Update to 1.13.0

Update kernel to 4.4.42

Update to 1.12.6

Update to 1.12.6

Merge pull request boot2docker#1234 from tianon/forgiving-getty

Add new "forgiving-getty" wrapper which verifies that a given TTY is actually a TTY before spawning getty on it (repeatedly)