Initial code for new command line tool #1506
Add 2.0 branches to Travis
Clean build configuration for Saxon
Convert preprocessing, troff, and common XSLT to version 2.0 #1507
Change integration to keep feature values in a List
Fix unit tests
Initial code for alternative preprocessing plug-in #1512
Add XSLT processing module #1512
Improve XSLT pipeline invocation

Default destination directory to base directory when omitted.

Remove duplicate task name definitions.

Use includesfile element instead of attribute.
Refactor HTML/XHTML init targets #1523
Reduce HTML/XHTML code duplication #1523
Simplify base HTML processing #1523

Simplify HTML processing targets to a single target and change HTML
version selection to be defined by html-version property.
Add HTML5 transtype #1522
Remove deprecated integrator properties #1509
Replace dedicated print processing with generated filter #1524
Fix NPE in filter initialization #1524
Convert HTML processing to XSLT 2.0 #1507
Remove EXSLT from HTML stylesheets #1507
Convert Java Help stylesheets to XSLT 2.0 #1507
Convert HTMLHelp stylesheets to XSLT 2.0 #1507