Added missing package for Ubuntu to the README
Added missing package for Ubuntu to the README

josephlewis42/UDenverQGC2,LIKAIMO/qgroundcontrol,mihadyuk/qgroundcontrol,caoxiongkun/qgroundcontrol,TheIronBorn/qgroundcontrol,josephlewis42/UDenverQGC2,dagoodma/qgroundcontrol,scott-eddy/qgroundcontrol,ethz-asl/qgc_asl,UAVenture/qgroundcontrol,lis-epfl/qgroundcontrol,CornerOfSkyline/qgroundcontrol,CornerOfSkyline/qgroundcontrol,cfelipesouza/qgroundcontrol,dagoodma/qgroundcontrol,iidioter/qgroundcontrol,remspoor/qgroundcontrol,fizzaly/qgroundcontrol,LIKAIMO/qgroundcontrol,cfelipesouza/qgroundcontrol,jy723/qgroundcontrol,caoxiongkun/qgroundcontrol,jy723/qgroundcontrol,dagoodma/qgroundcontrol,CornerOfSkyline/qgroundcontrol,caoxiongkun/qgroundcontrol,kd0aij/qgroundcontrol,RedoXyde/PX4_qGCS,hejunbok/qgroundcontrol,Hunter522/qgroundcontrol,scott-eddy/qgroundcontrol,lis-epfl/qgroundcontrol,CornerOfSkyline/qgroundcontrol,hejunbok/qgroundcontrol,nado1688/qgroundcontrol,kd0aij/qgroundcontrol,LIKAIMO/qgroundcontrol,kd0aij/qgroundcontrol,remspoor/qgroundcontrol,iidioter/qgroundcontrol,devbharat/qgroundcontrol,caoxiongkun/qgroundcontrol,CornerOfSkyline/qgroundcontrol,mihadyuk/qgroundcontrol,mihadyuk/qgroundcontrol,nado1688/qgroundcontrol,fizzaly/qgroundcontrol,UAVenture/qgroundcontrol,BMP-TECH/qgroundcontrol,BMP-TECH/qgroundcontrol,dagoodma/qgroundcontrol,BMP-TECH/qgroundcontrol,greenoaktree/qgroundcontrol,UAVenture/qgroundcontrol,CornerOfSkyline/qgroundcontrol,kd0aij/qgroundcontrol,ethz-asl/qgc_asl,hejunbok/qgroundcontrol,hejunbok/qgroundcontrol,nado1688/qgroundcontrol,remspoor/qgroundcontrol,remspoor/qgroundcontrol,devbharat/qgroundcontrol,catch-twenty-two/qgroundcontrol,catch-twenty-two/qgroundcontrol,jy723/qgroundcontrol,iidioter/qgroundcontrol,lis-epfl/qgroundcontrol,jy723/qgroundcontrol,RedoXyde/PX4_qGCS,catch-twenty-two/qgroundcontrol,TheIronBorn/qgroundcontrol,ethz-asl/qgc_asl,dagoodma/qgroundcontrol,LIKAIMO/qgroundcontrol,UAVenture/qgroundcontrol,cfelipesouza/qgroundcontrol,UAVenture/qgroundcontrol,cfelipesouza/qgroundcontrol,devbharat/qgroundcontrol,catch-twenty-two/qgroundcontrol,remspoor/qgroundcontrol,remspoor/qgroundcontrol,TheIronBorn/qgroundcontrol,Hunter522/qgroundcontrol,TheIronBorn/qgroundcontrol,LIKAIMO/qgroundcontrol,iidioter/qgroundcontrol,nado1688/qgroundcontrol,caoxiongkun/qgroundcontrol,RedoXyde/PX4_qGCS,mihadyuk/qgroundcontrol,BMP-TECH/qgroundcontrol,cfelipesouza/qgroundcontrol,lis-epfl/qgroundcontrol,RedoXyde/PX4_qGCS,scott-eddy/qgroundcontrol,scott-eddy/qgroundcontrol,TheIronBorn/qgroundcontrol,RedoXyde/PX4_qGCS,UAVenture/qgroundcontrol,devbharat/qgroundcontrol,Hunter522/qgroundcontrol,kd0aij/qgroundcontrol,fizzaly/qgroundcontrol,fizzaly/qgroundcontrol,greenoaktree/qgroundcontrol,ethz-asl/qgc_asl,nado1688/qgroundcontrol,fizzaly/qgroundcontrol,caoxiongkun/qgroundcontrol,devbharat/qgroundcontrol,josephlewis42/UDenverQGC2,TheIronBorn/qgroundcontrol,fizzaly/qgroundcontrol,Hunter522/qgroundcontrol,josephlewis42/UDenverQGC2,iidioter/qgroundcontrol,kd0aij/qgroundcontrol,scott-eddy/qgroundcontrol,catch-twenty-two/qgroundcontrol,RedoXyde/PX4_qGCS,greenoaktree/qgroundcontrol,greenoaktree/qgroundcontrol,mihadyuk/qgroundcontrol,devbharat/qgroundcontrol,nado1688/qgroundcontrol,LIKAIMO/qgroundcontrol,greenoaktree/qgroundcontrol,ethz-asl/qgc_asl,jy723/qgroundcontrol,hejunbok/qgroundcontrol,scott-eddy/qgroundcontrol,cfelipesouza/qgroundcontrol,jy723/qgroundcontrol,lis-epfl/qgroundcontrol,mihadyuk/qgroundcontrol,Hunter522/qgroundcontrol,catch-twenty-two/qgroundcontrol,iidioter/qgroundcontrol,Hunter522/qgroundcontrol,BMP-TECH/qgroundcontrol,hejunbok/qgroundcontrol,dagoodma/qgroundcontrol,greenoaktree/qgroundcontrol,BMP-TECH/qgroundcontrol