LU-11455 build: Remove conflicting lustre and Lustre

LU-11455 build: Remove conflicting lustre and Lustre

Some systems (Mac) are still case insensivite under some conditions,
so having lustre and Lustre in the same directory causes problems.
Seperate all the resource agents into their own directory.

Signed-off-by: Nathaniel Clark <nclark@whamcloud.com>
Change-Id: I6df370744ffecec9b9e52ffa9f131f02f351f6c5
Reviewed-on: https://review.whamcloud.com/33265
Tested-by: Jenkins
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <hpdd-maloo@intel.com>