[metadata] add name attribute
[default] add multiple init styles. I don't want runit
[default] use cache_path instead of tmp
Support initd, add test

- 3 testing recipes
- update to support uptodate runit cookbook
- add monitor_hardware attribute
- start munin-node if monitoring hardware
- create logging dir
- init.d service file
- more attributes consistency
- don't modify login/mdp if using secret archive
Update documentation