added NeighborhoodMailer action and views
Mail is being dispatched
fixed neighborhoods controller mail error, one error remaining for 'find_by(Admin)'
saved mailers controller
Merge branch 'emails2' into emails

Didn't save the controller before checking out. Had to save and merge retroactively.
had to alter add_neighborhood_spec to create user whose an admin
Updated changes for hound
removed app/controllers/temp.rb
updated app/mailers/neighborhood_mailer.rb
cleaned up comments and deleted an unused file
Merge pull request #45 from LaunchAcademy/emails

Request to merge email branch