New container prompt
Removed unused top level files
Polished README and setup.py
Removed ionprint
Revised pyon.public
Polished object constants
Merge pull request #510 from mmeisinger/add_polish

Cleanup and polish pyon repository
Added datastore query constants
CIDEVSTC-306: Enhancements to resource and association queries
CIDEVSTC-306: Enhance event queries
CIDEVSTC-306: Provide recursive resource and association queries
CIDEVSTC-306: Provide parameterized datastore queries
Added datastore query to pyon.public