Handful of small fixes and updates.

• 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.