Added a new user mailer class.

We added a mailer class to the application to allow for mail to
be sent.
Added new views for the registration email.

When a user signs up they should recieve an email that explains a bit
about startpoint and what we do. this emnail should contain their name.
Added a setup class.

This setup file, sets up the mail to use a default host and to
be intercepted in development mode.

We use Fifaro to store enviroment variables.
We use this class to intercept mail.

We need to send the mail to our seleves when in development mode
and thats what this email does. It allows us to send the email to us, with
a subject of who it was going to and the subject of the email to that person.
Added a new test.

We have a single new test for testing mail. We still have to add to this.
Added new entries.

We ned to ignore the Gemfile.lock, our enviroment file and and DS_Store
files that mac generates.
Added new Gem - Figaro

This gem is used to store enviroment variables.
We now use the plpgsql plugin
We now send a welcom email on successful user signup
Deleted lock file.