Force ruby version to build on travis with version 1.9.3-p547 (default on travic-ci) we got NoMethodError: undefined method 'gem_dir' for nil:NilClass no problem with 1.9.3-p194
Force ruby version to build on travis
with version 1.9.3-p547 (default on travic-ci) we got NoMethodError: undefined method 'gem_dir' for nil:NilClass
no problem with 1.9.3-p194

nawroth/asciidoctor.js,Mogztter/asciidoctor.js,anthonny/asciidoctor.js,rahmanusta/asciidoctor.js,asciidoctor/asciidoctor.js,Mogztter/asciidoctor.js,anthonny/asciidoctor.js,asciidocfx/asciidoctor.js,Mogztter/asciidoctor.js,anthonny/asciidoctor.js,anthonny/asciidoctor.js,mojavelinux/asciidoctor.js,rahmanusta/asciidoctor.js,asciidoctor/asciidoctor.js,asciidoctor/asciidoctor.js,asciidocfx/asciidoctor.js,rahmanusta/asciidoctor.js,asciidocfx/asciidoctor.js,asciidoctor/asciidoctor.js,asciidoctor/asciidoctor.js,nawroth/asciidoctor.js,Mogztter/asciidoctor.js,Mogztter/asciidoctor.js,mojavelinux/asciidoctor.js,asciidocfx/asciidoctor.js,Mogztter/asciidoctor.js,asciidoctor/asciidoctor.js,rahmanusta/asciidoctor.js