ability to mix junit tests with quackery tests in one class

[maciejmikosik]

@RunWith(QuackeryRunner.class)
public class XTest {
  @Quackery
  public static Test quackeryTest() {
    ..
  }

  @org.junit.Test
  public void junitTest() {
    ...
    assertTrue(...);
  }
}

[maciejmikosik]

implemented feature allowing QuackeryRunner to run junit tests 34b7a3e