class GanttProject < Cask url 'https://ganttproject.googlecode.com/files/ganttproject-2.6.1-r1499.dmg' homepage 'http://www.ganttproject.biz' version '2.6.1' sha1 'e59f787256a47a90b4baf13daca7f129860d3dd7' link 'GanttProject 2.6.1.app' end