added fix to avoid NPE when no service admin role is configured.
fixed auth delegation for auth-n
fixed delagation logic within unit test
rolled bad errornous delagable logic where repose was passing requests with invalid crednetials
Added tests for scenario without service-admin roles and for tenanted
D-14988 port jmeter tests for client authN NPE
Updated delegable tests.  There still needs to be a discussion whether unauthed users in delegable mode should return 401 or 200
caught case where delegable is set to true and the token is deemed invalid
Merge branch 'auth-n-fix' of github.com:rackerlabs/repose into auth-n-fix
Reworking the service list feature test
Merge branch 'auth-n-fix' of https://github.com/rackerlabs/repose into auth-n-fix
added unroll and uri tenant
Merge branch 'auth-n-fix' of github.com:rackerlabs/repose into auth-n-fix
D-14988 completed port of jmeter Client-AuthZ test to spock
Merge branch 'auth-n-fix' of https://github.com/rackerlabs/repose into auth-n-fix
fixed issue when groups call failed with an internal server error that repose will do the same
Merge branch 'auth-n-fix' of github.com:rackerlabs/repose into auth-n-fix
Moved out TenantedDelegable tests to its own file
Migrated Client Auth N remove tenant tests to their own file
Moved Tenanted NonDelegable Without Service Admin roles tests to their own files