SERVER-11689 Always link libgcc statically if linking libstdc++ statically
SERVER-8067 do not use sparse index to provide sort order
SERVER-10026 faster hackier idhack
SERVER-11884 Setting sslAllowInvalidCertificates for smoke.py mongod
SERVER-11568 normalize sort order in query and index key pattern during planning
Merge remote-tracking branch 'upstream/master'