incremented version to 1.9
signing assemblies
Register and Unregister methods, and RegisteredVirtualMachines property are supported on ServiceProviderType.WorkstationShared
Merge pull request #14 from icnocop/master

incremented version to 1.9, signing assemblies, Register and Unregister methods, and RegisteredVirtualMachines property are supported on ServiceProviderType.WorkstationShared