add support for supplementary_alignment flag to BAM features, make qc_failed, duplicate, and secondary_alignment flags visible in tags() on non-multi-segment reads
add support for supplementary_alignment flag to BAM features, make qc_failed, duplicate, and secondary_alignment flags visible in tags() on non-multi-segment reads

limeng12/jbrowse,nathandunn/jbrowse,limeng12/jbrowse,limeng12/jbrowse,nathandunn/jbrowse,erasche/jbrowse,GMOD/jbrowse,erasche/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,limeng12/jbrowse,GMOD/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,Arabidopsis-Information-Portal/jbrowse,erasche/jbrowse,limeng12/jbrowse,erasche/jbrowse,erasche/jbrowse,erasche/jbrowse,GMOD/jbrowse,nathandunn/jbrowse,GMOD/jbrowse,Arabidopsis-Information-Portal/jbrowse,erasche/jbrowse,Arabidopsis-Information-Portal/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,erasche/jbrowse,limeng12/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,nathandunn/jbrowse,nathandunn/jbrowse,GMOD/jbrowse,Arabidopsis-Information-Portal/jbrowse,Arabidopsis-Information-Portal/jbrowse,Arabidopsis-Information-Portal/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,limeng12/jbrowse,Arabidopsis-Information-Portal/jbrowse,limeng12/jbrowse