Fix iso image name in ubuntu1410-docker template
Fix iso image name in ubuntu1410-docker template

kenhkan/packer-templates,quarkslab/packer-ubuntu,boxcutter/ubuntu,pro-vagrant/ubuntu,muratayusuke/ubuntu,boxcutter/ubuntu,pro-vagrant/ubuntu,quarkslab/packer-ubuntu,njohns-grovo/ubuntu,muratayusuke/ubuntu,falconlulu/ubuntu,quarkslab/ubuntu,jcarley/ubuntu-vm,tbfisher/packer-ubuntu,njohns-grovo/ubuntu,tbfisher/packer-ubuntu,flandr/ubuntu,grafjo/ubuntu,jpsecher/ubuntu,cmbant/ubuntu,cmbant/ubuntu,flandr/ubuntu,falconlulu/ubuntu,dragon788/ubuntu,jrosengren/ubuntu,samepage-labs/ubuntu,erikh/ubuntu,kenhkan/packer-templates,NERC-CEH/ubuntu,jcarley/ubuntu-vm,NERC-CEH/ubuntu,jrosengren/ubuntu,grafjo/ubuntu,dragon788/ubuntu,kontrafiktion/ubuntu,quarkslab/ubuntu,erikh/ubuntu,jpsecher/ubuntu,defn/basebox-ubuntu,kontrafiktion/ubuntu,samepage-labs/ubuntu