v1.0.0.7 Demo & Full Fixes and small updates

Handful of small fixes and updates. [list] [*]Censoring sexually explicit content now hides the penis on the cafe chalkboard. [*]Censoring sexually explicit content hides the nude CG at the start of Sebastian's route for streamers of the demo. [*]Set music and sound default for new games with no save files to 70%. [*]Supporter screen updated [*]DEMO: Fixed crash on opening the settings screen and on chapter ends [*]Updated Twitter icon on contact screen XD [*]Backend stuff for future Alexander route setup prep. [/list]