Add path2project-uri PI #1320
Refactor and document subject scheme related code
Separate subject scheme reader from filter utile

Subject scheme reader can also be used by validation.
Generate subject scheme parent directory #1456
Fix 1.8 release note XML element bug
Clean and document gen-list and debug-filter Java code
Clean Java code with Eclipse
Use path2project-uri in stylesheets #1320
Remove URLUtils Java extension from XSLT #1238
Add backwards compatible code for path2project-uri #1320

The path2project PI is empty when the current directory is the root
directory. For path2project-uri this could be ./ but for backwards
compatibility, have get-path2project return an empty string.
Fix PDF2 merging stylesheet bug
Update bundled FOP to 1.1 #1406
Update documentation and configuration for 1.7.3
Merge branch 'hotfix/1.7.3' into develop
Update documentation and configuration for 1.8.M1
Simplify job reference configuration
Add missing JAR in PDF2 for FOP 1.1
Move list file generation to Ant #1461
Move list file property definition to Ant #1461
Merge branch 'develop' into python