changes to ptah_starter

[runyaga]

• Add a default layout to ptah_starter

404

ptah_starter template the following 404s from this url,
http://localhost:6543/ptah-manage/introspect/

Authentication checkers
List of registered authentication checkers
http://localhost:6543/ptah-manage/introspect/ptah:authchecker/

Authentication providers
List of registered authentication providers
http://localhost:6543/ptah-manage/introspect/ptah:authprovider/

Content Types
Ptah content types
http://localhost:6543/ptah-manage/introspect/ptah:type/

UI Actions
List of registered ui actions
http://localhost:6543/ptah-manage/introspect/ptah:uiaction/