Revert "Updating Guava."

This reverts commit d45d18ed.

core/src/main/java/hudson/util/RunList.java

@@ -133,7 +133,7 @@ public class RunList<R extends Run> extends AbstractList<R> {
     public List<R> subList(int fromIndex, int toIndex) {
         List<R> r = new ArrayList<R>();
         Iterator<R> itr = iterator();
-        Iterators.advance(itr,fromIndex);
+        Iterators.skip(itr,fromIndex);
         for (int i=toIndex-fromIndex; i>0; i--) {
             r.add(itr.next());
         }

pom.xml

@@ -179,7 +179,7 @@ THE SOFTWARE.
       <dependency>
         <groupId>com.google.guava</groupId>
         <artifactId>guava</artifactId>
-        <version>15.0</version>
+        <version>11.0.1</version>
       </dependency>
 
       <dependency>