Drop JRuby 1.8 mode as capybara requires 1.9.
Drop JRuby 1.8 mode as capybara requires 1.9.

jmfarina/redmine_dashboard,intfrr/redmine_dashboard,jmfarina/redmine_dashboard,intfrr/redmine_dashboard,jgraichen/redmine_dashboard,jmfarina/redmine_dashboard,XML-Travelgate/redmine_dashboard,intfrr/redmine_dashboard,jgraichen/redmine_dashboard,intfrr/redmine_dashboard,jmfarina/redmine_dashboard,jgraichen/redmine_dashboard,XML-Travelgate/redmine_dashboard