Revise Milly's dialog:

- rename some labels to be more descriptive, use CamelCase
- some spelling and grammar fixes
- fix most of the mes commands to escape the " at the end
- remove some unnecessary "Bye" dialog lines
Added variable handling to beanie copter quest.
Integrate Inspector quest logic into script about Beanie Copter quest.
Move Beanie Copter quest script into correct file.
Put dummy item for beanie copter for testing purposes.