Reverted changes to junit and mockito imports in the Observable class.

Author: michaeldejong

rxjava-core/src/main/java/rx/Observable.java

@@ -15,16 +15,9 @@
  */
 package rx;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.fail;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
+import static org.junit.Assert.*;
+import static org.mockito.Matchers.*;
+import static org.mockito.Mockito.*;
 
 import java.util.ArrayList;
 import java.util.Arrays;