Updated table to prevent overflow
Edited and elaborated "Customizing PDF output" topic
Updates to documentation
Corrected value of the @location attribute for the customization.dir property
Re-pushing topic, after adding a <prolog> element
Merge pull request #1567 from robander/develop

Update 2.0 branch with fix for FILTERFILEURL
Add missing variable values to headers #1570
Clean XML serialization

This is an intermediate refactoring that uses custom methods for writing
XML into a Writer. The next refactoring step is to replace with Writer
with a SAX ContentHandler.
Remove Content object
Remove CDATA and entity handling from readers and writers

Retaining CDATA sections and entities in temporary files has no benefit
and makes the code more complex.
Add module timing debug messages
Move plug-in resource directory properties into a configuration file

Moving properties into configuration file will allow Java code to access
the information directly without needing Ant to pass it forward.
Fix integration unit tests
Remove DITA-OT base directory use in favor of plug-in directory

Instead of padding ditaDir variable that is the absolute path to DITA-OT
base directory, have code use org.dita.base plug-in installation
directory.
Refactor catalog manager initialization
Remove redundant URIResolverAdapter usage
Fix RTF image processing
Fix link rewrite in topic merge
Fix ODT image processing
Fix PDF image processing with corrected topic merge