Removed the FO document pre-processing step that was adding ptr and creating a reduced FO tree.
* Removed addPtr.xsl and reduceFOTree.xsl
* Implemented Common Accessibility properties on objects that support them
* Added a special implementation of FOEventHandler to build the structure tree
* Added mockito library and its dependencies
* Added mocks for some FO nodes and properties
* Removed FOTreeUnitTester and converted it into a re-usable FODocumentParser class
* Re-worked table FO test cases accordingly
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_ImproveAccessibility@1188205 13f79535-47bb-0310-9956-ffa450edef68
Vincent Hennebert