Print the help by default when running `chef` with no command.
Simple importer for PieCrust 1 websites.
In-place upgrade for PieCrust 1 sites.
PieCrust 1 import: clean empty directories and convert some config values.
Jinja templating now has `spaceless`, `|keys` and `|values`.
Add `compressinja` to install/env requirements.
I don't care what the YAML spec says, ordered maps are the only sane way.