* Moved AFPConstants from org.apache.fop.render.afp.modca into org.apache.fop.render...

* Moved AFPConstants from org.apache.fop.render.afp.modca into org.apache.fop.render.afp as it is used in other subpackages.
* Fixed sequential storage and memory hungry buffering shortcomings in DataObjectCache and also the messy getInstance().
* Renamed DataObjectCache and DataObjectFactory as ResourceStore and ResourceFactory and moved to org.apache.fop.render.afp.modca.resource package.
* Created ResourceManager to oversee and delegate to ResourceStore and ResourceFactory.
* Made data members in LineDataInfo package private.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_AFPGOCAResources@679480 13f79535-47bb-0310-9956-ffa450edef68