Added initial registration page

Uses a table in the database called "members" with 3 columns, Email,
Password and Validated currently. Validated has type boolean and will be
used when we have the ability to validate by email.
Made changes to register page

gives a message if the email is already in use within the database, or
success/failure messages from attempted insertion
Merge branch 'master' of https://github.com/TomMurray/FWNAA

Conflicts:
	fwnaa/register.php