Start work on interface emulator.
Implement the touch-screen emulator.

This more-or-less emulates an android device.
Code to emulate a TV-based device.

Right now, this tries to emulate an OUYA console.
Display an indicator showing the TV-unsafe area.
Merge pull request #119 from kyouryuukunn/improve_fast_skip

Make fast-skipping stop when encountering unseen text, if skip_unseen is False.
Merge pull request #117 from kyouryuukunn/sensitive_of_skip

disable Skip if skip_unseen is false and in unseen
Also do the autosave when return to the main menu
don't do the autosave in the main menu
Don't check when return the main menu