Demo Bugfixes

Some small updates were made to the demo.

-Some grammar and spelling issues fixed -One of the paintings in the office had an incorrectly named hotspot -Volume adjust options changed from sliders to colored bars for clarity -An instance where an incorrect animation was playing has been fixed -Content warning updated to express a wartime setting for players sensitive to that subject -Custom links to store page and Twitter have been added to title screen -Framerate would reset to 60 each scene. Framerate now remembers chosen option