Sprites update

Edited Ebby png to remove double eyebrows, added SarsRape.png
Merge branch 'master' of https://github.com/xebecsdemise/Uirusu-Shoujo
GUI Updates

Updated Interfaces for Navigation Menu, Preferences Screen and
Confirmation Dialogs
[NB} Something up with windows/fullscreen selector in prefs screen -
prob on renpy side, needs attention sometime
Merge pull request #4 from xebecsdemise/master

UI Changes