Filter out duplicate POMs from column nodes when generating KR2RMLMapping
Disable tests in web-services-rdf
Fix accidentally removing POMs with same predicate but different template
Collapse same rdf types in avro
Deduplicate outputs in Avro like wk-273
Merge branch 'development' into wk-270
Reenable unit tests for web-services-rdf
Merge pull request #129 from InformationIntegrationGroup/wk-270

Filter out duplicate POMs from column nodes when generating KR2RMLMappin...