Make Auto-Pause UI better.
Added Save Data Utility UI (stub).
May be connected to real data after those related save data list get implemented, with those data sent to UI decided.
Also removed some comments from Auto-Pause.
Typo Fix. Bind submenu items.
Removed checking <0 on unsigned int. (lol)
Merge pull request #756 from Syphurith/patch-UI

Added Save Data Utility UI (stub)