Move all the remaining lustre headers shared between user land
and kernel space to the uapi directory. OBD_MAX_IOCTL_BUFFER
can be removed since the utilites don't even acknowledge it
value.

Change-Id: I6dcdf3f824dae6bc8a0786f0e61787ca68c10bd8
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-on: https://review.whamcloud.com/25246


Tested-by: Jenkins
Reviewed-by: Quentin Bouget <quentin.bouget@cea.fr>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Ben Evans <bevans@cray.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>