Implement rc_conf? test and rc_conf_update macro
Add rc_conf_add macro
Use env to set variables in pkg_* macros
Add rc_disable macro
Fix rc_disable macro
Bump version
Add `rc_conf_append` macro
Add `periodic_conf_append` macro
Implement rc_{send,status,reload,restart,start,stop}
Refactor pkg_install macro
Add ssh_authorize macro
Accept branch for `git_clone' macro
Update for producer 0.4.x status options
Implement `yaml_write_once' macro