Merge pull request #2 from sflatley/pdi_9309

PDI-9309: Added subfloor support
Merge pull request #3 from sflatley/pdi_9309

PDI-9309: Fixed subfloor support
Merge pull request #4 from sflatley/pdi_9309

PDI-9309: Trimmed down and fixed build.xml
PDI-9309: Fixed ivy so that zip is published.