dependencies:
   - { role: moodle, tags: ['olpc','moodle','edu-apps'], when: moodle_install }
   - { role: osm, tags: ['osm','edu-apps'], when: osm_install }
   - { role: pathagar, tags: ['pathagar','edu-apps'], when: pathagar_install }
   - { role: rachel, tags: ['rachel','edu-apps'], when: rachel_install }
   - { role: kalite, tags: ['kalite','edu-apps'], when: kalite_install }
   - { role: kiwix, tags: ['kiwix','edu-apps'], when: kiwix_install }
   - { role: sugarizer, tags: ['sugarizer','edu-apps'], when: sugarizer_install }
   - { role: debian_schooltool, tags: ['schooltool','debian_schooltool','edu-apps'], when: debian_schooltool_install and is_debuntu }