Merge pull request #277 from shenrie/master

Remove unecessary RETIRE check
Merge pull request #278 from shenrie/master

Adding class level decorators to objects
Merge pull request #279 from shenrie/master

Use decorator to identify origin resource type for extended resources
Bumped ion-defs
Agent lost connection state.
Merge branch 'master' of github.com:ooici/pyon
Add lost connection entry/exit handlers.
Merge branch 'master' of github.com:ooici/pyon
Bumped ion-defs
Added functionality to extended resource framework for Service Requests