update common-collections to 3.2.2 #456

pom.xml

@@ -130,7 +130,7 @@
             <dependency>
                 <groupId>commons-collections</groupId>
                 <artifactId>commons-collections</artifactId>
-                <version>3.2.1</version>
+                <version>3.2.2</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.commons</groupId>