added tests and fix
finished tests

ToDo : ResolveSystemConfiguration can be more intelligent
Yodii.Lab: Tentative view example.
Merge commit '8b80c51c2b4d5dc9cabd997e834326fe9488f45d' into f-yodii-lab

Conflicts:
	Yodii.Engine.Tests/Yodii.Engine.Tests.csproj