COMPRESS-211 - handle zip extra field 0x7875.  I improved code coverage a little for the unit tests.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/compress/trunk@1430557 13f79535-47bb-0310-9956-ffa450edef68
COMPRESS-210 - handle zip extra field 0x5455 - Extended Timestamp

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/compress/trunk@1430562 13f79535-47bb-0310-9956-ffa450edef68
added COMPRESS-210, COMPRESS-211, and COMPRESS-213 to changes.xml.  Added myself to pom.xml.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/compress/trunk@1430572 13f79535-47bb-0310-9956-ffa450edef68