[S] Update Paster templates for Security Installation

[pjkersha]

The paster templates in ndg.security.server.paster_templates should be updated. Templates should exist for:

1. Security services middleware stack: an ini file deploying in a pipeline these services mounted in a WSGI script running over SSL,
   • Attribute Authority
   • Authorization Service
   • Session Middleware
   • SSL Client Authentication
   • OpenID Relying Party
   • OpenID Provider
2. Secured Application: the middleware to front a given application that needs securing,
   • Authentication Redirect Filter - redirects unauthenticated sessions to Security middleware stack above for SSL client authentication / OpenID Relying Party sign in
   • Authorisation Filter
   • Placeholder for application to be secured
3. Secured application with OpenID Relying Party: where the application is running on another domain to the main services 1.) where no SSL certificate is available to host an OpenID Relying Party over SSL.
   • OpenID Relying Party
   • Authorisation Filter
   • Placeholder for application to be secured
4. OpenID Relying Party and SSL Client Authentication filters running over SSL: where an application is running on a different domain to the main services 1.) but an SSL certificate is available for the domain,
   • SSL Client Authentication
   • OpenID Relying Party
5. (Standalone Attribute Authority)
6. (Standalone Authorization Service)
7. (Standalone OpenID Provider)

Other possibilities in brackets.