SERVER-6405: fix dropCollection error reporting
SERVER-6405: move profile check from _dropNS to dropCollection
SERVER-8510 Add comments in JSON config files
SERVER-8510 Make initializer groups for the four stages of option handling
SERVER-9660 use buildinfo instead of serverStatus in config upgrade
SERVER-10471 for multikey indices only assign one pred to each field
SERVER-10471 hint can be key pattern or name
SERVER-10471 set a limit when a limit is requested
SERVER-10471 remove bad selectivity guess
SERVER-10471 fix intervals generated for minkey/maxkey lt(e) gt(e), modify spigot
SERVER-10471 fix bounds checker bug
SERVER-10471 migrate plan cache tests to tmp directory during migration
SERVER-10471 route 2d geonear queries to old system
SERVER-10471 some commenting
SERVER-10471 fix tree traversal code and build
SERVER-1891 Add audit logging hooks for user management and DDL events.
SERVER-1891 Add audit logging hook for renameCollection
SERVER-10927 Fix test to wait for replication correctly

Fixes a race condition causing some builders to fail
SERVER-10471 init to NULL to avoid warning
SERVER-8510 Create separate library for tests to eliminate dependency on fork