BGR: A4 GSJs

[michih]

Missing: https://travelmapping.net/hb/showroute.php?r=bgr.a004&lat=42.088669&lon=25.454121&zoom=14
Missing: https://travelmapping.net/hb/showroute.php?r=bgr.a004&lat=41.947841&lon=25.896020&zoom=15
Out of service: https://travelmapping.net/hb/showroute.php?r=bgr.a004&lat=41.832495&lon=26.147010&zoom=15
Out of service: https://travelmapping.net/hb/showroute.php?r=bgr.a004&lat=41.755538&lon=26.237293&zoom=16
Out of service but wp-in-use: https://travelmapping.net/hb/showroute.php?r=bgr.a004&lat=41.714282&lon=26.354785&zoom=16 Should we keep it as old wp (*) and extend A4 to the border?

[si404]

https://github.com/si404/HighwayData/commit/a8d337f150398e78f3e0f6f6558ed5ad0dcc72a6