added staypuft settings category

This is needed for storing provisioning data in the installer
for retrieval by the wizard.

Not ready for merge yet. There are some open questions around
how to handle AR references in the settings values which need
to be resolved first
Merge pull request #17 from sseago/settings

added staypuft settings category
Temporarily disable puppetrun in seeds
 - Caused the seeds to try and create the puppetrun but it requires the module to already exist, or it fails.
Merge pull request #23 from knowncitizen/temporarily_disable_puppetrun_seed

Temporarily disable puppetrun in seeds