Resolved 4 bugs with specialization graph
Badass commit

- Updated namespaces (Engine, Model)
- New ConfigurationSolverResult
- A couple new classes (PluginSolved, ServiceSolved)
modified ConfigurationSolver
Merge branch 'f-discoverer-spi' into develop

Conflicts:
	Yodii.Engine.Tests/Mocks/ServiceInfo.cs
	Yodii.Model/LiveModel/LiveConfiguration.cs
	Yodii.Model/Yodii.Model.csproj