Initial abstraction of exporting functionality
Merge branch 'features/FT-835-merge-hd-export' into features/FT-711-export-to-VCF-file
Projection is now chosen by the exporter
Implemented exporter registry with automatic registration
Implemented method to check which exporters are present for a given datatype
Implemented possiblity to actually export different formats
Implemented basic version of VCF exporter
To execute the callback when subset is not empty and has result instance id.
Added reference to junit and hamcrest to have junit tests run
Merge remote-tracking branch 'origin/master' into features/FT-711-export-to-VCF-file
Updated references in exporters
Merge pull request #56 from thehyve/issues/heatmap_stop_run

Issues/heatmap stop run
Implemented unit tests for exporters
Corrected indentation
Added unit test for export service method
Removed semicolons to have more groovy code
Merge pull request #58 from thehyve/features/FT-711-export-to-VCF-file

Refactoring of export functionality and implementation of VCF exporter
Remove dead code
Remove unused properties
Remove unused property