Changed the UnitTests project from .NET 4.5 to 4.0
Changed the UnitTests project from .NET 4.5 to 4.0

getsentry/raven-csharp,xpicio/raven-csharp,getsentry/raven-csharp,webaction/raven-csharp,getsentry/raven-csharp,asbjornu/raven-csharp,xpicio/raven-csharp