Updating README for Windows builds.
Updating README for Windows builds.

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