Major test-case cleanup.

- Removed JMock dependency, tests rewritten to use Mockito for stub/mock
- All test should now be using JUnit annotation-style tests
- All modules should now depend on same JUnit version
- Rewrote a few tests to better utilize JUnit annotations
- Fixed a few broken tests
- Code style changes

imageio/imageio-batik/src/main/java/com/twelvemonkeys/imageio/plugins/wmf/WMFImageReader.java

@@ -81,6 +81,7 @@ public class WMFImageReader extends ImageReaderBase {
             processReadAborted();
             return image;
         }
+        processImageProgress(100f);
 
         processImageComplete();