Fix documentation reference to CategoryType

build.xml

@@ -5,7 +5,7 @@
 	<property name="src" value="src/main/java" />
 	<property name="target" location="target" />
 	<property name="bin" location="${target}/main" />
-	<property name="version-base" value="4.8" />
+	<property name="version-base" value="4.8.1" />
 	<property name="version-status" value="" />
 	<property name="version" value="${version-base}${version-status}" />
 	<property name="dist" value="junit${version}" />

src/main/java/junit/runner/Version.java

@@ -9,7 +9,7 @@ private Version() {
 	}
 
 	public static String id() {
-		return "4.8";
+		return "4.8.1";
 	}
 
 	public static void main(String[] args) {

src/main/java/org/junit/experimental/categories/Categories.java

@@ -24,10 +24,10 @@
  * Example:
  * 
  * <pre>
- * public interface FastTests extends CategoryType {
+ * public interface FastTests {
  * }
- * 
- * public interface SlowTests extends CategoryType {
+ * 	
+ * public interface SlowTests {
  * }
  * 
  * public static class A {

src/main/java/org/junit/experimental/categories/Category.java

@@ -5,15 +5,14 @@
 
 /**
  * Marks a test class or test method as belonging to one or more categories of tests.
- * The value is an array of interface classes that extend the {@link CategoryType}
- * superinterface.
+ * The value is an array of arbitrary classes.
  * 
  * This annotation is only interpreted by the Categories runner (at present).
  * 
  * For example:
 <pre>
-	public interface FastTests extends CategoryType {}
-	public interface SlowTests extends CategoryType {}
+	public interface FastTests {}
+	public interface SlowTests {}
 
 	public static class A {
 		@Test