fixes #2763 - correcting doco links

fixes #3017 - split APIv2 controllers from v1 parents

fixes #3587, #2855 - print an error on invalid json vs 500 error

fixes #3578 - minor SQL and whitespaces updates to the smart proxy class

fixes #3566 - exposes orchestration tasks via the API at /api/orchestration/id/tasks

fixes #2951 - Host API documentation lacks compute_resource_id

fixes #1830 - auto assign puppet proxy if its not defined upon facts/reports event

fixes #3140 - API to allow importing of puppet classes

fixes #2741 - rails 3 syntax

fixes #3111 - v2 API calls to /api/[class]/[object]/parameters/[parameter] return wrong object