See #16 - gave the register method its own save method called saveRegister
New User class are now enabled by default
Set Profile object properties to be nullable
Added a new Profile to the user created in the createUser UserService method
Close #18 - Added a GSP for user registration
Merge branch 'spring-security' of https://github.com/charlieamat/build-a-beer into spring-security

Conflicts:
	grails-app/controllers/com/buildabeerapp/UserController.groovy