* Update to latest upstream version * Enable build time hardening flags, thanks to Moritz M"uhlenhoff for assistance in this process. (Closes: #654809) * Update to policy 3.9.3 * Amend short description of freeciv-client-extras (Closes: #656708) * Add backporting information to README.source * Fix dependency information to reduce chance of unwitting bugs. * Suggest freeciv-client-extras in freeciv-client-gtk * Change libpng build dependency away from 1.2 (Closes: #662333) * Remove GGZ dependencies (Closes: #655399) * Remove ggz.modules if we were the only entry. This should make the package piuparts clean.