Move meta dir to atwan proper, track loaded plugins, fix typos.
Move initialiser code back where it belongs

  * Add initialiser search location option to gold-installer.

Also move puppetlabs to its own plugin.
Add initialiser output format option.
Bugs
Add support for multiple arguments to one options.
Fix plugin subdirectory metafile loading.
OpenSSH trust model plugin.
Make trust option flags consistent.
OpenSSH as a cmdb by including authorized_keys.

Also make cmdb options consistent.
Merge branch 'master' into docs
Documentation