sudo dpkg -i safe-launcher-v0.7.1-linux-x64_1.0_amd64.deb
dpkg --info safe_launcher-v0.7.1-linux-x64_1.0_amd64.deb -> will give package to help uninstall -> same as -n option above
sudo dpkg -r
sudo rm /usr/bin/safe_launcher -> will remove symlink to /opt/maidsafe/...