ActionBarSherlock: http://actionbarsherlock.com
MultiSelectListPreferenceCompat: https://github.com/h6ah4i/mulsellistprefcompat
BusyBox: http://www.busybox.net/source.html
debootstrap: http://packages.debian.org/wheezy/debootstrap
mke2fs (e2fsprogs): http://packages.debian.org/wheezy/e2fsprogs