Initialize .gitignore and .gitattributes.
Add MIT License.
Add Fixie.sln containing Fixie.csproj for the framework, and Fixie.Tests.csproj for the framework's own tests.
Enable NuGet Package Restore.
Add NuGet packages: NUnit, NUnit.Runners, Shouldly.
Add build script.  build.cmd bootstraps psake and then invokes psake.