protocol: Do not increment sequence number when retrying

Signed-off-by: Pawel Dziepak <pdziepak@quarnos.org>
librcl: Initialize buffer_state->original in clCreateBuffer

Signed-off-by: Pawel Dziepak <pdziepak@quarnos.org>
protocol, rcld: Rejoin moved nodes, restore RCL states

Signed-off-by: Pawel Dziepak <pdziepak@quarnos.org>