Refs #3268 - Extra steps for prod2dev going to psql
Add plugin registration redesign
Edits to API Section 5
Add cfgmgmt announcement to homepage
Merge pull request #121 from domcleal/cfgmgmt

Add cfgmgmt announcement to homepage
Add system vs host discussion
Add permissions systems deep dive
Add Katello tasks via Dynaflow deep dive
Add Remote management with MCollective deep dive
Add sprint 17 demo
Explain the 'service' keyword in puppet.conf
Make smart-proxy scenarios more consistent with the descriptions