Allow spec run to be customized by SPEC and SPEC_OPTS envvars
Allow spec run to be customized by SPEC and SPEC_OPTS envvars

jruby/jruby-rack,atambo/jruby-rack,atambo/jruby-rack,jruby/jruby-rack,jruby/jruby-rack,janrain/jruby-rack,janrain/jruby-rack,jruby/jruby-rack,atambo/jruby-rack,jhstatewide/jruby-rack,atambo/jruby-rack,jruby/jruby-rack,jhstatewide/jruby-rack,janrain/jruby-rack,jhstatewide/jruby-rack,jhstatewide/jruby-rack,jruby/jruby-rack,janrain/jruby-rack