1. sure. just apt-get install/remove 2. no. Code: rm -f /etc/apt/apt.conf.d/03noautoremove apt-get install --reinstall mp-harmattan-* dpkg/updates and dpkg --configure -a makes easier to modify dpkg/status for just single packages, not to modify whole dpkg/status.
rm -f /etc/apt/apt.conf.d/03noautoremove apt-get install --reinstall mp-harmattan-*