Add blank ssl var, used only in PWS
Add blank ssl var, used only in PWS

bridgetkromhout/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,shalako/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,cloudfoundry/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,cloudfoundry/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,shalako/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,swisscom/docs-appcloud-book,shalako/docs-book-cloudfoundry,swisscom/docs-appcloud-book,swisscom/docs-appcloud-book,shalako/docs-book-cloudfoundry,cloudfoundry/docs-book-cloudfoundry,swisscom/docs-appcloud-book,cloudfoundry/docs-book-cloudfoundry