Add Fixie.Samples project to the solution. Fixie.Console.exe can run multiple test assemblies when they are specified as command line arguments.  Fixie.Console.exe returns the total number of failures across all the specified test assemblies.
ReflectionExtensions: type.Has<Attribute>(), type.HasOrInherits<Attribute>(), method.Has<Attribute>(), method.HasOrInherits<Attribute>().
Move SelfTestConvention from Fixie.Tests project to Fixie project.
Runner discovers and uses all conventions found in the assembly under test.  If there are no, the DefaultConvention is assumed.
Initial NUnit and xUnit immitation examples, demonstrating discoverability of test case methods and fixture classes.