The following packages have unmet dependencies:
 ubuntu-touch : Depends: initramfs-tools-ubuntu-touch but it is not going to be installed
                Depends: packagekit but it is not going to be installed
                Depends: ubuntu-touch-customization-hooks but it is not going to be installed
                Depends: upstart but it is not going to be installed
                Depends: upstart-watchdog but it is not going to be installed
E: Unable to correct problems, you have held broken packages.