Commits
Greg Soltis authored and GitHub committed 3f36f5467de
Drop FSTWriteGroup (#986) * Drop write group from remote document change buffer * Unwind some group dependendencies in local store * Write group dropped from local store * Drop write group from mutation queue tests * Drop write group usage from query cache tests * Drop write groups from remote document cache tests * Drop write groups from remote document change buffer tests * Drop write groups and the write group tracker * Style * Put the action in transaction * Merge master, fix test * Fix some compiler warnings but mostly trigger travis * Responses to feedback