fixed: failed to rtcon with OpenRTM.NET

* RTC of OpenRTM.NET has multiple property value(subscription_type and
dataflow_type), but rtctree treat as scalar value.
* 'Any' of OpenRTM.NET is lower case, but rtctree treat as upper case.
Merge pull request #1 from zoetrope/for_openrtmnet

fixed: failed to rtcon with OpenRTM.NET