When curling, use -k when skipsslvalidation is set
When curling, use -k when skipsslvalidation is set

[#100698218]

Signed-off-by: Dan Lavine <5ca8f6c726ce2120d02818e3c4896f90201eef24@us.ibm.com>

cloudfoundry-incubator/cf-test-helpers,cloudfoundry-incubator/cf-test-helpers