Initial checkin to GitHub -- has extensive changes to conform to the latest API model to match the 0.3.6 (Sept. 2, 2013) release.
added network and disk driver options, also a source comment on the kickstart file in the docs (I can't find the original source).
Merge remote-tracking branch 'upstream/master'
removed a few stray 'VirtualBox' term uses in comments and docs.
Merge remote-tracking branch 'upstream/master'
changed error string referring to 'ova' and 'ovf' to refer to 'qcow2' and 'img' as the former were stray leftovers from the virtualbox code used as a basis for this plugin.
Allow user to override chroot command.
some documentation.
pass chroot command to /bin/sh

this allows us to specify an arbitrary chroot command, i.e. for sudo
notes/reorg.
wip
Merge branch 'master' into 430
wip
Revert "notes/reorg."

This reverts commit 73c5aec24d0a504ecfbae038b4b7effb54adb929.

Conflicts:
	builder/amazon/chroot/step_copy_files.go
using blocking cp method.
bugfix.
Unit tests.
We're not using this log package.
Merge remote-tracking branch 'origin/master' into 430
get chroot command from proper place.