Removed the .NET 3.5 version. #14
Moved all types in their own files. #14
Merge pull request #69 from vossad01/Release-3.0

Fixed loading of WinRT projects on a machine with only VS2013/Win8.1
Added missing Nuget package configuration
Forget to remove a few links to a deleted file from the other projects.
Split MethodInfoAssertions into MethodInfoAssertions  and MethodInfoSelectionAssertions
Split PropertyInfoAssertions and PropertyInfoSelectorAssertions into two classes as done with MethodInfoAssertions.  Also fixed message for BeWritable on the *SelectorAssertions to be consistent with others.  Amazingly these changes did not break any tests.
Split PropertyInfoAssertionSpecs and PropertyInfoSelectorAssertionSpecs.  Added missing tests over `BeWritable` to PropertyInfoSelectorAssertionSpecs.
Added forgotten doc comments