Adding docs for getting email template listing
Adding docs for getting email template by slug
Adding docs for inserting a new email template
Adding docs for updating an existing email template
Adding docs for deleting email template by slug
Adding email templates index page
Renaming file for updating email templates to use slug instead of ID
Updating responses in get email templates by slug
Enabled is boolean, not string
Merge pull request #16 from moltin/feature/emails

Adding email templates docs