KNOX-470 Add README to Samples and Documentation
KNOX-468 Add default config to optimize LDAP group lookup
KNOX-467 Unit tests failing on windows
KNOX-466 Log exception stack traces at INFO level when they reach gateway servlet
KNOX-465 Initial audit record can contain leftover principal name
KNOX-464 Location headers have wrong hostname when used behind load balancer
KNOX-459 Apache knox appears to be leaking sockets
