Post last update update

A few things:

- Added a "?" sign in Vuu's house

- Changed some of the "?" signs' dialogue

- Made the single click movement the default one

- Slightly improved the cursor

- Changed the required items for the last amplifications

- Added Twitter link in the opening screen

- Added a save file in the folder with mostly discovered map, cleared mana shard puzzles, all discovered recipes (but not completed) and most required items.