Moved IFState instance variable into AbstractIFPainter as all implementations use it.

Moved IFState instance variable into AbstractIFPainter as all implementations use it.
Refactored default image handling methods in AbstractIFPainter a bit to make them more universal.
Fixed a small mistake in Java2DImageHandlerRenderedImage.
Added configurator code for new PCL implementation.
Fixed smaller issues in PCLGenerator.
Added support for painting images (e-g and i-f-o) as bitmaps (depends on rev 707329 in XML Graphics Commons).
Added support for text with custom fonts to be painted as bitmaps.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_AreaTreeNewDesign@707331 13f79535-47bb-0310-9956-ffa450edef68