FOP-2391: ensure mapping is non-null in CS SVG text

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1618701 13f79535-47bb-0310-9956-ffa450edef68
FOP-2406: Error when image next to pdf

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1618887 13f79535-47bb-0310-9956-ffa450edef68
FOP-2353: PDF-A preflight warnings

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1619415 13f79535-47bb-0310-9956-ffa450edef68
Fix checkstyle

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1619419 13f79535-47bb-0310-9956-ffa450edef68
Rename checkstyle property to avoid gump version

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1619430 13f79535-47bb-0310-9956-ffa450edef68