r=adilger

 * clean up bugs in previous patch
 * print basename(argv[0]) instead of "mount" with error messages

r Jacob

add a missing arg to printf, make the program exit with 1 on args error

r Adilger

fix a llmount, mount.lustre segment fault bug

b=2464

Land initial b_bgl fixes.  Includes compile and a couple of swabbing
fixes.

enqueue reply if the extent was changed and granted immediately.  This
avoids overwriting the policy data if it was updated in the completion callback
before the reply was processed.
b=2901
r=phil

b=2818

b=2167

a failed object creation instead of in advance.  Otherwise, if there is a
down OST the following one will have twice as many objects allocated on it
(observed with watch-lustre on ALC while running IOR with one OST inactive
on the MDS).

b=2733, b=2773, b=2529, b=2730, b=2819, b=2814, b=2822, b=1450, b=2676, b=2681
b=2817, b=2706, b=2816, b=1987, b=2884, b=1191, b=2809, b=2765, b=2805, b=1972

 - don't build mpi programs by default, as Bob's suggestion

 - another inode drop fix
 - fix a stupid error of last checkin

 - supress a warning of glimpse callback
 - remove the debug code accidently checked in sometime before

 - don't blindly drop inode
 - fix iget
 - root inode checking

 - b#1179: fix byteorder definition
 - minor code cleanup in liblustre.h

 - fix broken readdir test

 - must update kms after write

 - follow the file size glimpse/probe change

to incorporate change of lib_finalize function in portals/portals/lib-msg.c

merge gmnal code in b_llp2 to HEAD