Oh wow, wtf... It's gone from my Mega?? I have no clue what happened, mate, but I'm afraid I don't have the file anymore, the folder's just empty.DOWN LINK
Try this: install Notepad++ (very good, safe and open source text editor), make a copy of the Script.rpy file and then open the original in Notepad++. Press Ctrl+H to bring up "Find and Replace". Copy the � character from anywhere in the file, plop it into the "Find" field then type the apostrophe in the Replace field. Let N++ find and replace all instances. Save the file, enjoy the game.
Might also upload it here somewhere once your done.