LU-5606 tests: add version check codes to conf-sanity test 41c

This patch adds Lustre version check codes into conf-sanity test
41c to make the test interoperate with servers that do not have
commit 166c5ba95cb2a4771317e030a3649e4480c8cbad.

Test-Parameters: alwaysuploadlogs envdefinitions=ONLY=41c \
ossjob=lustre-b2_5 mdsjob=lustre-b2_5 ossbuildno=86 mdsbuildno=86 \
testlist=conf-sanity

Signed-off-by: Jian Yu <jian.yu@intel.com>
Change-Id: Ifa02e9ef1a137257790a399d75cce1f703fb0d6b
Reviewed-on: http://review.whamcloud.com/12376
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Bobi Jam <bobijam@gmail.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>