Add get_absolute_url to Event
Add get_absolute_url to Event

Idiomatic Django:
https://docs.djangoproject.com/en/1.7/ref/models/instances/#get-absolute-url

azavea/nyc-trees,kdeloach/nyc-trees,azavea/nyc-trees,RickMohr/nyc-trees,maurizi/nyc-trees,kdeloach/nyc-trees,kdeloach/nyc-trees,RickMohr/nyc-trees,RickMohr/nyc-trees,azavea/nyc-trees,azavea/nyc-trees,maurizi/nyc-trees,kdeloach/nyc-trees,RickMohr/nyc-trees,maurizi/nyc-trees,maurizi/nyc-trees,azavea/nyc-trees,kdeloach/nyc-trees