Require Java 6 (was Java 5).

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1307384 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

pom.xml

@@ -224,8 +224,8 @@ file comparators, endian transformation classes, and much more.
   </dependencies>
 
   <properties>
-    <maven.compile.source>1.5</maven.compile.source>
-    <maven.compile.target>1.5</maven.compile.target>
+    <maven.compile.source>1.6</maven.compile.source>
+    <maven.compile.target>1.6</maven.compile.target>
     <commons.componentid>io</commons.componentid>
     <commons.release.version>2.3</commons.release.version>
     <commons.rc.version>RC1</commons.rc.version>