CDK-542: Fixed Avro 1.7.4 incomaptabilities in DataModelUtil
Merge pull request #148 from joey/avro_1_7_4_compat

CDK-542: Fixed Avro 1.7.4 incomaptabilities in DataModelUtil
[maven-release-plugin] prepare release release-0.15.0
[maven-release-plugin] prepare for next development iteration