Update to AcspNet4
Dependencies updated, switched to Acsp.Net 4.0 nuget
Nuspec file added
Removed from build
Merge branch 'AcspNet4'

Conflicts:
	AcspExtendedExtensions.Tests/AcspExtendedExtensions.Tests.csproj
	AcspExtendedExtensions.Tests/Tests.cs
	AcspExtendedExtensions.Tests/packages.config
	AcspExtendedExtensions/AcspExtendedExtensions.csproj
	AcspExtendedExtensions/packages.config