Create a .NET 4.0 project for common libraries
Consolidated Force and Common solutions into one solution
Create a .NET 4.0 project for force toolkit & .NET 4.0 version of tests
Fixed so that .NET 4.0 target is added to NuGet
Added new 4.0 tests
Merge branch 'master' of github.com:developerforce/Force.com-Toolkit-for-NET