LU-3310 tests: add version check code to sanity test 17o

LU-3310 tests: add version check code to sanity test 17o

This patch adds Lustre version check codes into sanity test
17o to make the test work with servers which do not have the
following patch:

Lustre-commit: 20544bd96269dbda51a76d31c2d09935637e8b2d
Lustre-change: http://review.whamcloud.com/6121

Test-Parameters: envdefinitions=SLOW=yes,ENABLE_QUOTA=yes,ONLY=17 \
clientdistro=el6 serverdistro=el6 clientarch=x86_64 \
serverarch=x86_64 serverjob=lustre-b2_1 serverbuildno=215 \
testlist=sanity

Signed-off-by: Jian Yu <jian.yu@intel.com>
Change-Id: I590a4fb03d6dd406ff1d859825f9033a24ceb66c
Reviewed-on: http://review.whamcloud.com/7017
Tested-by: Hudson
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>