[# 2918119] Last-Modified header has been added
Merge pull request #84 from kuljok/cr_2918119_lastmodified_header

[# 2918119] Last-Modified header has been added
Merge remote-tracking branch 'origin/S5-iter2'

Conflicts:
	NetPing_modern/Content/Data/netping.xml
	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