Build v1.0.3: Save/Load Multiple Layouts — EXA: The Infinite Instrument Steam update #1414982

This build allows you to save and load multiple different layouts. If you saved layouts in the previous build, you'll now see all of them (in that build a new file was saved each time, even though you could only load the most recent one). When saving layouts, you'll also have the option to enter a name (with a Hover UI Kit powered keyboard) and snap a photo as its thumbnail. Here's the "DevUp" video for this build: https://www.youtube.com/watch?v=_d9IAHjI_9U (https://youtu.be/_d9IAHjI_9U) Details: Implemented a grid-based "Load Layouts" menu, with placeholder and actual-image thumbnails. Implemented a "Load Layout" menu, with larger thumbnail, details, and buttons. Updated the multi-file layout saving/loading to work with the local filesystem and the Steam Cloud. Implemented "photo camera" functionality, with post-effects, trigger to take photo, and saving to file. Implemented new "save"...