Shiro works with annotations, but no progress on url based "page"
security.
Authorisation with annotations working, with exceptions captured and
notified to the user.  Closes #57.  See #37
A bit of refactoring, because Guice was not seeing Authentication and
Authorisation bindings.  See #37
Basic authentication and authorisation checks working with Shiro
annotations, using DefaultV7ErrorHandler.  Closes #57 closes #59 see #37