Add OntologyTerm::getStudy()
Merge pull request #19 from thehyve/fix_query_def_perm_check

Add OntologyTerm::getStudy()
Added method to retrieve original VCF data for subjects
ws
Merge pull request #20 from thehyve/features/FT-711-improved-vcf-export

Added method to retrieve original VCF data for subjects
Merge github.com:thehyve/transmart-core-api into newfeature/vcf-cohort-selection