Amethyst 0.16.0

• Amethyst now more robustly supports configuration files. See documentation: Configuration Files #1251
• Amethyst now supports a beta of custom layouts. See documentation: Custom Layouts #1134, #51, #1126
• Fix the presence of ghost windows in the bsp layout. Thanks, @LudwigWS! #1249, #1246
• Fix the layout HUD when multiple screen are arranged vertically. Thanks, @Henkru! #1162, #1163
• Make TwoPane layout adaptive to screen orientation. Thanks, @mwz! #1182
• Improve main window swapping with TwoPane layout. Thanks, @rickythefox! #1241, #1242, #1234
• Add 4Column layout for ultra-wide screens. Thanks, @reyk! #1154
• Throw window to any space across multiple screens. Thanks, @dozzman! #1209
• Fix an issue that caused Amethyst to fail to tile entirely. #1250