[Fix] PDFBOX-1962: removed ImageIOUtil dependency from JPEGFactory

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1574651 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1962: removed ImageIOUtil dependency from JPEGFactory

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1574652 13f79535-47bb-0310-9956-ffa450edef68