wireprotov1peer: update all rpcs to use the new batchable scheme
If desired, we could keep the future class and the function that
upgrades an old style rpc instead of a new style, for extensions.
Differential Revision: https://phab.mercurial-scm.org/D11212
#require serve
$ hg clone http://localhost:$HGPORT/ copy
abort: * (glob)
[100]
$ test -d copy
[1]
$ "$PYTHON" "$TESTDIR/dumbhttp.py" -p $HGPORT --pid dumb.pid
$ cat dumb.pid >> $DAEMON_PIDS
$ hg clone http://localhost:$HGPORT/foo copy2
abort: HTTP Error 404: * (glob)
[100]
$ killdaemons.py