fix bug where GenomeView was not publishing /jbrowse/v1/v/tracks/show messages
fix bug where GenomeView was not publishing /jbrowse/v1/v/tracks/show messages

Arabidopsis-Information-Portal/jbrowse,SuLab/jbrowse,limeng12/jbrowse,erasche/jbrowse,SuLab/jbrowse,nathandunn/jbrowse,nathandunn/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,erasche/jbrowse,erasche/jbrowse,Arabidopsis-Information-Portal/jbrowse,erasche/jbrowse,Arabidopsis-Information-Portal/jbrowse,limeng12/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,GreggHelt2/apollo-test,GMOD/jbrowse,GMOD/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,erasche/jbrowse,SuLab/jbrowse,limeng12/jbrowse,erasche/jbrowse,nathandunn/jbrowse,GreggHelt2/apollo-test,GreggHelt2/apollo-test,GMOD/jbrowse,limeng12/jbrowse,limeng12/jbrowse,nathandunn/jbrowse,Arabidopsis-Information-Portal/jbrowse,erasche/jbrowse,Arabidopsis-Information-Portal/jbrowse,SuLab/jbrowse,limeng12/jbrowse,GreggHelt2/apollo-test,GreggHelt2/apollo-test,SuLab/jbrowse,Arabidopsis-Information-Portal/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,nathandunn/jbrowse,GMOD/jbrowse,limeng12/jbrowse,GreggHelt2/apollo-test,SuLab/jbrowse,erasche/jbrowse,limeng12/jbrowse,GreggHelt2/apollo-test,GMOD/jbrowse,SuLab/jbrowse,Arabidopsis-Information-Portal/jbrowse