Removes prints from ion_loader.

Removes print statements from ion_loader.py
Ion-defs bump

Fixes another paramdict-raw conflict and updates r2demo.yml with CEI
changes.
Merge pull request #546 from lukecampbell/master

Ion-defs
bumped ion defs and refactored publish_event() and publish_event_obj() of UNS
got test for publish_event_object() working'
Fixed publish_event() and got test for it working
fixed back two tests
fixed test_get_recent_events(). Now just one more test to fix
fixed test_batch_notifications()
using get_ion_ts() throughout UNS
bumped ion defs
referencing the latest ion defs from master after having merged ion defs
Merge branch 'master' into publish_event_obj
Merge pull request #547 from swarbhanu/publish_event_obj

Refactors publish_event() and publish_event_object() of UNS
Should fix broken CEI tests trying to use _create_event
Bumped pyon
Bumped pyon
Updated OOI preload
Merge branch 'master' of github.com:ooici/coi-services
Merge pull request #548 from mmeisinger/upate_ooi_preload

Upate ooi preload