Lock-free encoding and independent svc reply queue.

Implements an out-of-line, blocking reply queue for svc_vc
transports.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>

Conflicts:
	src/clnt_vc.c
	src/svc_vc.c

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
13 files changed