CA-143823: Split line of pool audit trail granularity should not be displayed if connecting with WLB6.1

Hide the split line when the pool connects with WLB6.1 server.

Signed-off-by: Hui Zhang <hui.zhang@citrix.com>
Merge pull request #184 from xs-nanjing/CA-143823

CA-143823: Split line of pool audit trail granularity should not be displayed if connecting with WLB6.1