updated NSubstitute
use the NuGet trick for supporting different project files in the one folder
remove xunit.extensions
upgrade to latest beta
upgrade to latest beta
one project builds
four of them pass
the other tests no wpass
added VS test runner package for great justice
fixed these broken old tests
switch over to xunit.runners package from NuGet
hey look, someone already did the xUnit 2 support for FAKE
we should skip these tests if we don't have a satisfactory precondition
some cleanup
don't actually need these classes now
Merge pull request #636 from octokit/update-xunit

Upgrade to xUnit 2
Merge remote-tracking branch 'upstream/master'
type.IsEnum check added to TypeExtensions.IsModel