Rename mkimage-debian.sh to mkimage-debootstrap.sh to more clearly reflect its true function
Refactor mkimage-debootstrap.sh to be much more full-featured

This includes the following:
- options to control certain parameters
- an option specifically for creating tarballs directly, esp. for dockerbrew
- the addition of the updates and security repositories for Debian images
- the addition of the universe, updates, and security repositories for Ubuntu images
- more correct tagging of Debian images
- tagging of Ubuntu image versions (12.04, 12.10, etc) and latest tag for LTS
Clean up build warnings. Remove redundant files.
Hack: don't run integration tests in /var/lib/docker/unit-tests; add missing cleanups in a few tests
Hack: fix tests which didn't cleanup properly
Use heredoc to make expect script more clear
Merge pull request #2283 from tmc/master

Make mkimage-arch.sh a little more clear
Increase readbility of unit tests by using mkRuntime everywhere
hack: encode the name of the current test in temporary directories, for easier tracking

Conflicts:
	utils_test.go
Merge pull request #2282 from shykes/fix-tests

Tests: Cleanup the test suite
Merge pull request #2281 from metalivedev/cleanupformat

Clean up build warnings. Remove redundant files.
Merge pull request #2222 from tianon/debootstrap

Renamed and refactored mkimage-debian to mkimage-debootstrap to more clearly reflect its true function
Add -nostdin and -proxy to docker attach, allow arbirary signal to be sent via docker kill api endpoint
Allow attach from `docker start`
Add host integration script generation
Update doc with host integration
Add POSIX shell version of host_integration/manager.go in the style of hack/make.sh
Rename host_integration to host-integration for consistency
Fix issue killing container while sending signal
Fix rebase issue
Update docs
Fix attach race condition, improve unit tests, make sure the container is started before unblocking Start
Update documentation
Fix issue with autoremove
Add a chan to hijack() to block until the hijack is completed