chart calculation
Merge branch 'master' of https://github.com/zentix/OBProject
aggregation calculation
Merge branch 'master' of https://github.com/zentix/OBProject

Conflicts:
	OBProject/OBProject/bin/OBProject.dll
	OBProject/OBProject/bin/OBProject.pdb
	OBProject/OBProject/obj/Debug/OBProject.dll
	OBProject/OBProject/obj/Debug/OBProject.pdb