Add script draft from veryape for adding the Beanie Copter quest to NPC milly.
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 into correct file.
Add BeanieCopterCap.
Add debug helper for the Beanie Copter quest.
Changes on the dialog made by Qwerty Dragon.
Beanie Copter quest: add possibility to apologize and get the cap in case you declined it before.
Rename Beanie Copter Cap to Beanie Copter.
Merge remote-tracking branch 'Jenalya/beaniecopter'

Quest idea and dialog: veryape
Scripting: Jenalya
Spelling and Grammar check: Qwerty Dragon
Testing: Nard, 0x0BAL