LU-9846 obd: Add overstriping CONNECT flag

LU-9846 obd: Add overstriping CONNECT flag

This patch reserves the OBD_CONNECT flag for overstriping,
and also does some cleanup of OBD_CONNECT flags, putting
them in the correct order and adding some missing ones in
proc and the wire{test,check} checks.

Signed-off-by: Patrick Farrell <pfarrell@whamcloud.com>
Change-Id: I5d7c8f30d16cc2541d3202582fe55177022ccede
Reviewed-on: https://review.whamcloud.com/34743
Tested-by: Jenkins
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Mike Pershin <mpershin@whamcloud.com>