Merge branch 'POOL_2_X' of https://github.com/apache/commons-pool.git into POOL_2_X

Author: garydgregory

src/conf/checkstyle.xml

@@ -71,7 +71,8 @@
       <property name="ordered" value="true"/>
       <property name="separated" value="true"/>
     </module>
-
+    <module name="ParenPad" />
+    <module name="TypecastParenPad" />
   </module>
 
   <!-- Require package Javadoc -->