Added Email Database Tests
I added two tests to the WPI-Suite db4oDatabaseTest.java file.  The first test tests whether users can be retrieved by email.  The second tests actually using the getEmail method on a retrieved user.  They both pass, so emails are getting stored in the database correctly.
Committed by: Alec Thompson - ajthompson
Moved mailer creation from Janeway to PlanningPoker

Since we moved the Mailer class from the PlanningPoker project to Janeway, the static method in Janeway.java is no longer method. Instead, we can use the constructor directly in the PlanningPoker module.
Adding MailTrap functionality to Mailer
I added the functionality for a debug mode in which emails are sent to the MailTrap server.  This is activated by setting the Mailer class field DEBUG to True.  The emails can then be seen on Mailtrap.io by logging in with the email "struct.by.lightning@gmail.com" and the password "team6password".
Normal email functionality can be restored by setting DEBUG to False.
Committed by: Alec Thompson
Merge pull request #21 from ajthompson/dev-email

Added Email Database Tests