Add missing since tag.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1538966 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/commons/collections4/CollectionUtils.java

@@ -867,6 +867,7 @@ public class CollectionUtils {
      * @param predicate  the predicate to use, may be null
      * @return true if every element of the collection matches the predicate or if the
      * collection is empty, false otherwise
+     * @since 4.0
      */
     public static <C> boolean matchesAll(final Iterable<C> input, final Predicate<? super C> predicate) {
         if (predicate == null) {