Work around JRUBY-5581.
Work around JRUBY-5581.

buildr 1.4.4 can use either rspec 1.3.1 or 1.3.2. 1.3.2 is affected by
JRUBY-5581 on JRuby 1.6.1 and earlier. Use 1.3.1 as a workaround until the 
build can be validated on JRuby 1.6.5 (which will also require upgrading to
buildr 1.4.6).

SVN-Revision: 579

NCIP/ctms-commons,NCIP/ctms-commons,NCIP/ctms-commons,NCIP/ctms-commons