Latest fixes — Chessboard Kingdoms Steam update #1416240

Two last updates concentrate on a bunch of various fixes and a few new features. Listing the features first, we have: 1. Leaderboard screen available from the main menu. As soon as you are logged in with your Steam account, you should be able to access the leaderboard via a button under your account name in the upper right corner. 2. UI scaler in the settings. While playing the game, you are free to go the graphics settings -- advanced section and scale the UI to 1x, 1.5x, or 2x using a dedicated control. Fixes made are as follows: Grass and other environment objects now properly shrink on elevated tiles Connected walls no longer appear rotated in the wrong direction on some maps Siege tower troops unloading elevation limit fix Eastern knight's model is no longer stretched when previewed for building Trebuchets and catapults now rotate towards their target without tilting in the wrong ax...