Added Email Support

1. Completed Assignment #14: “Send Welcome Email”
Mod8

Changed email settings
mod8 update

Changed welcome email, so that it is sent from a Haml template, rather
than from an ERB template.
mod8

Deleted ERB file that sends welcome email.
mod8 updates

1. Completed Assignment #14: “Send Welcome Email”

2. Completed Assignment #16: “Add Tests to Email Sending”

3. Completed Assignment #18: “Reset Password”
mod8 update

Inserted a “before” action into the reset_password_controller_spec, so
as to simplify the code.
Merge pull request #10 from jlevinger/mod8

Mod8 Updates