Fixes #369. Set JRuby version used by JRubyExec version to same version as used by asciidoctorj
Fixes #369. Set JRuby version used by JRubyExec version to same version as used by asciidoctorj

robertpanzer/asciidoctorj,lefou/asciidoctorj,lefou/asciidoctorj,ysb33r/asciidoctorj,ysb33r/asciidoctorj,ysb33r/asciidoctorj,abelsromero/asciidoctorj,abelsromero/asciidoctorj,abelsromero/asciidoctorj,lefou/asciidoctorj,asciidoctor/asciidoctorj,robertpanzer/asciidoctorj,ysb33r/asciidoctorj,asciidoctor/asciidoctorj,robertpanzer/asciidoctorj,asciidoctor/asciidoctorj,lefou/asciidoctorj