XGC-91 JPEG is squashed

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/trunk@1598620 13f79535-47bb-0310-9956-ffa450edef68
XGC-90 Javadocs fails on Java 8

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/trunk@1598621 13f79535-47bb-0310-9956-ffa450edef68