Port r4811: Allow the BDA build to succeed when there are spaces in the path to PSC.  Fixes #917.
Port r4811: Allow the BDA build to succeed when there are spaces in the path to PSC.  Fixes #917.

This required:
  - Using separate arg entries in chmod
  - Updating to JRuby 1.4.0 to get a more-recent version of rubygems

NCIP/psc,NCIP/psc,NCIP/psc,NCIP/psc