Update test dependencies to latest (some depend on Java 6), which is OK since we depend on Java 7 now.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1610906 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

pom.xml

@@ -43,15 +43,13 @@ CSV files of various types.
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
-      <!-- 2.2 is last version compatible with Java 1.5 -->
-      <version>2.2</version>
+      <version>2.4</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
-      <!-- 1.3.172 requires Java 1.6 -->
-      <version>1.3.168</version>
+      <version>1.4.180</version>
       <scope>test</scope>
     </dependency>
   </dependencies>