SERVER-13294: mongos exit after --upgrade
SERVER-13293 fixed geo filter memory leak when creating index scan/fetch stages
SERVER-9765 do not noteRemoteIsPrimary when a node decides it is the superior primary in a two primary replset
SERVER-13282 Fix leak in mongos BatchedWriteExec::execute()
SERVER-13302 Fix error message when create index during migration fails
SERVER-13294 mongos --upgrade should exit after upgrading

Fix multiVersion tests
Merge remote-tracking branch 'upstream/master'