upgrade to scala 2.10.3
Merge pull request #176 from jimkont/scala_2_10_3

upgrade to scala 2.10.3
add rdf:Property as type on object and datatype properties
We already do this on the instance types, why not here as well?
Merge pull request #183 from jimkont/rdf_property

add rdf:Property as type on object and datatype properties