- DataGrid binding issue fixed, All FAKE build issue fixed

- DataGrid binding is now working with normal declarative (XAML) binding as MVVM and Catel expect it.
- All FAKE build targets fixed, tested and working
- New version number is _prerelase_ because of NuGet does not allow release version number in case of there is a prerelease dependency. NUnitBenchmarker uses Catel loggin (at client side also) the package have the Catel prerelease dependency.
- New version number 1.0.4-rc according to NuGet convention and expectation.
- Built NUnitBenchmarker.Benchmark.1.0.4-rc.nupkg was tested successfully locally