[api-ref] Correcting parameter's types
[api-ref] Correcting parameter's types

This patch changes type of some parameter from 'type: bool' to
'type: boolean'.

Change-Id: I7912a4527fd3736bbc8cd3cd68f5d2ccddd8cf2a

openstack/senlin,openstack/senlin,openstack/senlin,stackforge/senlin,stackforge/senlin