DATACMNS-650 - Polishing.

Added stream to the list of supported query method prefixes. Allow Stream to be used as return type for paginating queries, too.

Renamed Java8StreamUtils to StreamUtils. Some additional JavaDoc.

Original pull request: #116.

src/test/java/org/springframework/data/util/StreamUtilsTests.java

@@ -15,6 +15,7 @@
  */
 package org.springframework.data.util;
 
+import static org.springframework.data.util.StreamUtils.*;
 import static org.hamcrest.CoreMatchers.*;
 import static org.junit.Assert.*;
 
@@ -29,9 +30,9 @@ import org.junit.Test;
  * Spring Data specific Java {@link Stream} utility methods and classes.
  * 
  * @author Thomas Darimont
- * @since 1.8
+ * @since 1.10
  */
-public class Java8StreamUtilsTests {
+public class StreamUtilsTests {
 
 	/**
 	 * @see DATACMNS-650
@@ -40,7 +41,7 @@ public class Java8StreamUtilsTests {
 	public void shouldConvertAnIteratorToAStream() {
 
 		List<String> input = Arrays.asList("a", "b", "c");
-		Stream<String> stream = Java8StreamUtils.createStreamFromIterator(input.iterator());
+		Stream<String> stream = createStreamFromIterator(input.iterator());
 		List<String> output = stream.collect(Collectors.<String> toList());
 
 		assertThat(input, is(equalTo(output)));