Applied patch from jira issue - OFBIZ-5685 - Setting a dependent question for question of type 'Boolean Yes/No' is not possible.
Thanks Deepak for the contribution. Thanks Pierre for creating the issue.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1646939 13f79535-47bb-0310-9956-ffa450edef68