ExecutionEnvironment no longer includes a hack to allow the Visual Studio runner to hijack the test assembly's console output.  Instead, the Visual Studio runner owns this entire concept internally.
Mark *Expression constructors internal.  They exist for the sake of the fluent convention interface and are to be constructed by Convention.
Configuration and ConstructionFrequency move to the Fixie.Internal namespace.
Move RedirectedConsole to the Fixie.Internal namespace, because it is likely to become deprecated and then removed as the wrong abstraction for console capture.
Summary documentation for DefaultConvention.
Summary documentation for AssertionLibraryExpression, ClassExpression, MethodExpression, and ParamterSourceExpression fluent interface methods.
Summary documenation for the Case/Fixture/Class-level fluent interface methods.
Summary documentation for custom behavior classes.
Summary documentation for Options.
Summary documentation for the Class, Fixture, and Case context objects.
Summary documentation for the Convention and TestAssembly test discovery classes.
Summary documentation for ParameterSource, PreservedException, and RunContext.