Close resources

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1642752 13f79535-47bb-0310-9956-ffa450edef68
add default svnuids

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1642754 13f79535-47bb-0310-9956-ffa450edef68
+= generated serialVersionUID

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1642757 13f79535-47bb-0310-9956-ffa450edef68
Fix unavoidable deprecations

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1642759 13f79535-47bb-0310-9956-ffa450edef68
No longer needed in Java 6+

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1642763 13f79535-47bb-0310-9956-ffa450edef68