[#2838685] Custom Page for Error 404
Merge branch 'cr_2838685_404' of https://github.com/kuljok/Netping_modern into kuljok-cr_2838685_404

Conflicts:
	NetPing_modern.v11.suo
	NetPing_modern/bin/NetPing_modern.dll
	NetPing_modern/bin/NetPing_modern.pdb
	NetPing_modern/obj/Debug/NetPing_modern.csproj.FileListAbsolute.txt
	NetPing_modern/obj/Debug/NetPing_modern.csproj.GenerateResource.Cache
	NetPing_modern/obj/Debug/NetPing_modern.dll
	NetPing_modern/obj/Debug/NetPing_modern.pdb
Merge branch 'kuljok-cr_2838685_404' into S5-iter2