Initial implementation for AvroKR2RMLRDFWriter
Added ability to import/export Avro interactively

Also fixed bug where KR2RMLMappingGenerator created duplicate POMs
Merge branch 'development' into avro
Removed system.out.println from test
Refactored out common code in ImportFileCommands
Added avro writer specialized edges support
Merge pull request #127 from InformationIntegrationGroup/avro

Avro
v2.026
restructure the import command series
add httprequest to preview
allow preview access workspace
Filter out duplicate POMs from column nodes when generating KR2RMLMapping
Disable tests in web-services-rdf
front & back connected
fix indentation
no filter return empty string
Fix accidentally removing POMs with same predicate but different template
Fix WK-273
remove vWorkspace as a parameter
using json to filter