BUILDR-66
BUILDR-66

Applied Nick's patch.
If buildr if running on JRuby don't download jruby-complete again, just use the
currently installed jruby jars.


git-svn-id: f481de8ecb0d1e2ade8c586a5c716a32a1f3e8c1@653601 13f79535-47bb-0310-9956-ffa450edef68

apache/buildr,atoulme/buildr,mariusk/buildr-kawa,assaf/buildr,stewi2/buildr,assaf/buildr,jpcaruana/buildr,mariusk/buildr-kawa,mariusk/buildr-kawa,liamchristopher/buildr,atoulme/buildr,apache/buildr,stewi2/buildr,apache/buildr,assaf/buildr,liamchristopher/buildr,jpcaruana/buildr,atoulme/buildr,ittayd/buildr,jpcaruana/buildr,stewi2/buildr,ittayd/buildr,liamchristopher/buildr,apache/buildr,jpcaruana/buildr,ittayd/buildr,liamchristopher/buildr,stewi2/buildr