Change default from e-mail address
Change default from e-mail address

The new default from e-mail address, owned by Parks. Tested on staging
after getting the e-mail account confirmed on staging and production.

Resolves #392.

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