Error checking for event model
Also some whitespace fixes in the test file, and adding a missing getter test
Fix documentation so that it refers to Redis, and not MongoDB
no message
Rename method to get API url to mark as attending
Merge branch 'clairs-event-model-error-checking'
Merge branch 'clairs-doc-update-redis'
Merge branch 'master' into clairs-cleanup-event-model and handle
conflicts between multiple changes on the same code

Conflicts:
	tests/Model/EventTest.php
Merge branch 'clairs-cleanup-event-model'