Fixing inconsistency in setup workflow.
API v2 - v2 systems_controller w/ create, index, and show
Engine: Fixing katello_dev gem echo statement
Merge pull request #3508 from daviddavis/temp/20131213160340

Engine: Fixing katello_dev gem echo statement
Merge pull request #3507 from ehelms/update-readme

Fixing inconsistency in setup workflow.
Merge pull request #3483 from komidore64/system-api-v2

API v2 - v2 systems_controller and systems actions