Try to install graphviz msi instead of graphviz.portable on Appveyor
Try to install graphviz msi instead of graphviz.portable on Appveyor

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