Version 1.0.14 - Challenge mode and bug fixes — Dread Admiral Steam update #5799098

* Possible fix for rare bug regarding orbiting bombers at a target. * Added safety mechanisms around Animation Slider setting that should keep users from experiencing a Hang from various city, invasion, or movement animations. (Possible divide or multiply by zero existed.) -> This is guesswork to address recent bug reports. New: * Added 'Challenge Mode' option to Normal and Easier so players can experience the 'higher pressure' of harder difficulties, without the difficulty actually increasing directly. Minor: * Corrected some text regarding critical damage tooltips * Protect City missions will no longer spawn Fortified mod * 'Fortified' Admiral will no longer potentially have Protect City missions * Increased max plane speed for long ranges * Skirmish/Surrender/Campaign loss generally increased XP * Increased 'horizontal preference' for city generation (should help position them better ...