Upgraded the awestruct and asciidoctor versions
Upgraded the awestruct and asciidoctor versions

droolsjbpm/jbpm-website,droolsjbpm/jbpm-website,droolsjbpm/jbpm-website,droolsjbpm/jbpm-website,cristianonicolai/jbpm-website,cristianonicolai/jbpm-website,cristianonicolai/jbpm-website,cristianonicolai/jbpm-website