move ApiConnectionInfo here from cobbzilla-wizard. Simplify ShaUtil.
move ApiConnectionInfo here from cobbzilla-wizard to cobbzilla-utils
move ApiConnectionInfo to cobbzilla-utils
sha256_string is now sha256_hex
add model for chef cloudos-init databag
move ApiConnectionInfo to cobbzilla-utils
write unreplaced keys as extra values
add unlock-cloudstead API endpoint and test
generate cloudos-init.json from object model instead of template