v17-pre12, pre13 — Puffin Planes Steam update #891189

A grab-bag of balance tweaks, bugfixes and small QoL features. We are almost at the finish line--the next patch will probably be a release candidate, with the update out by mid-month. v17-pre13 Features: - The Penguin: 2x speed and -50% service point cost for regular maintenance. - The Ostrich: 15% chance of receiving an extra plane whenever you take delivery from manufacturer. Changes: - Tutorial now explains ordering new planes - Removed retrofitting. - Some plane models, such as the PAX-200, can now become obsolete. - Airplane view in Network Overview now shows the model. - Route ruler now configurable in the settings menu. - Discontinued models now appear on the 'Models' tab of the Manufacturers GUI. - Increased fuel efficiency of the Atto to make it easier to break even. - Route ruler now only shows up if you have planes in your hangar. - Nerfed the PAX-125 range from 4,000km to 3,3...