updated all tests to use test utilities to create emails with the unsupported uuid field
created test utilities for easily making email fixtures
added migrations for adding a uuid field to entity emails
bumped version
updated docs
fixed context loader tests
Merge pull request #27 from wesleykendall/feature/entity-event

Entity emails have view_uid field for viewing on the web
Merge pull request #28 from ambitioninc/develop

Entity emails have view_uid field for viewing on the web