Update: Add locale environment variable support, install, and help support in fakefiles.

Update: Add locale environment variable support, install, and help support in fakefiles.

Pass along the common locale-specific environment variables along when using a fakefile.

Add an "install" operation that is essentially a wrapper to the "install.sh" script.

Add a "help" operation to provide some documentation.

These are provided as a convenience and as a functional proof of concept.