bump ion-defs to get fix to event hierarchy
Merge pull request #883 from shenrie/master

Fixed debugging statements and bumped ion-defs
Add faux-_id for OrgUserNegotiationRequest
Merge pull request #884 from daf/negotiation_fakeid

Add faux-_id for OrgUserNegotiationRequest
Adds cleanup to cov creation in test_types.py
Merge pull request #885 from lukecampbell/cleanup

Adds cleanup to cov creation in test_types.py
Bumped ion-defs
Optimized negotiaion request building