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/pom.xml

@@ -79,7 +79,6 @@
             <scope>test</scope>
         </dependency>
 
-
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
@@ -88,10 +87,9 @@
         </dependency>
 
         <dependency>
-            <groupId>jmock</groupId>
-            <artifactId>jmock-cglib</artifactId>
-            <version>1.0.1</version>
-            <scope>test</scope>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-all</artifactId>
+            <version>1.8.5</version>
         </dependency>
     </dependencies>