post 2.5.3
Merge pull request #527 from dstorch/SERVER-11024

SERVER-11024 replace master/slave conf file examples with replset
SERVER-8378 reactivate parts of test, since new query engine
SERVER-11227 Fix cleanupOrphaned's parsing of secondaryThrottle parameter

Signed-off-by: Matt Kangas <matt.kangas@mongodb.com>
SERVER-9233 add comprehensive jstest for role-based access control for commands

Signed-off-by: Spencer T Brody <spencer@10gen.com>