Add run script and gitignore output files.
Fix function naming
Generate SUPPORTED_RELEASES variable
Add env automation hooks to installation and host-bin scripts.
Add prefix and basic test.
Fix genversion.sh path in test/run.sh
Require running tests as root, and grab the right test dir.
Set default variables for tests
Don't require dev password when testing.
Pass USERNAME to prepare.sh, and detect no password.
Make croutonpowerd (non-daemon) runnable in Chromium OS.
Run tests out of /usr/local to avoid encryption penalties
Allow for specifying tests to run
Fail if no tests match the specified pattern.
Prepare test infrastructure for parallelism.