FOP-2391: enable bidi processing of SVG text chunks

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1619960 13f79535-47bb-0310-9956-ffa450edef68
FOP-2391: add missing file

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1619961 13f79535-47bb-0310-9956-ffa450edef68