SERVER-11241: Updates allow creating $id/$ref/$db prefixed fields
SERVER-11241: remove unrelated stuff from prev commit
SERVER-11297: fix tailable cursor with non-existant collection
SERVER-7756: add test, was fixed by matcher refactor
SERVER-11141 Fixed SSL error message typo
SERVER-11025 Prevent adding users with username = server's subjectname
SERVER-8864 Tests for SSL mixed-mode