Early game and multi launch update — Incremental Adventures Steam update #830242

- Future content is now teased with "locked" buttons to make it more obvious to new players that there's more content to unlock - The prestige and ascension sub-menus now remember which tab you last selected and default to this tab instead of the likely significant layer - Added the multiLaunch launch parameter, to launch multiple instances at once and compare strategies (not required to play at all, more like an optional pro-tool). It supports up to 9 runtimes at once with seperated save handling (all using Steam Cloud). I'll be posting a sticky in the Steam community to explain how to use it - Fixed a bug that caused layer highlighting to not always work for the floorskip and improved prestige reset unlocks