48.alpha
========

 * Add sequential and random layout rotation modes (K Davis)
 * Add animation when starting a new game and pausing a game
 * Add Ctrl-R keyboard shortcut for restarting game
 * Improve rendering on high resolution displays
 * Render tiles using the GPU instead of CPU (port to Gtk.Snapshot)
 * Smaller spacing around the board on mobile screens
 * Various optimizations for game initialization and drawing
 * Tweak background colors
 * Fix a memory leak in the Scores dialog
 * Stop using deprecated APIs
 * Add SPDX license identifiers to all files
 * Translation updates