Update Apache commons-collection 3.2.1 -> 4.0

- Release Notes:
   http://commons.apache.org/proper/commons-collections/release_4_0.html

Change-Id: I7ca0059a63679a2ccdc0348b25c04028c3880997
diff --git a/pom.xml b/pom.xml
index 5c313f5..019a5ad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -604,9 +604,9 @@
       <version>3.1</version>
     </dependency>
     <dependency>
-      <groupId>commons-collections</groupId>
-      <artifactId>commons-collections</artifactId>
-      <version>3.2.1</version>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-collections4</artifactId>
+      <version>4.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.zookeeper</groupId>