Fix findbugs warnings.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1582875 13f79535-47bb-0310-9956-ffa450edef68
FOP-2339: GIF to PS transparency is black; patch by Simon Steiner

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1584420 13f79535-47bb-0310-9956-ffa450edef68
FOP-2363: Better error message when PDF/A enabled and SVG contains bitmap with transparency


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1584765 13f79535-47bb-0310-9956-ffa450edef68
FOP-2337 Remove xobj type=form

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1590619 13f79535-47bb-0310-9956-ffa450edef68
FOP-2336 OOM for tiff output

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1590653 13f79535-47bb-0310-9956-ffa450edef68
FOP-2345 SVG to AFP text spacing wrong

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1590665 13f79535-47bb-0310-9956-ffa450edef68
Checkstyle

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1590916 13f79535-47bb-0310-9956-ffa450edef68
Brought the branch in sync with rev. 1590916 of trunk


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_WhitespaceManagement@1591437 13f79535-47bb-0310-9956-ffa450edef68