* Adjusted "Head" ypos posing for consistency.
* Re-named and added Genie "knowledge" related flags.
* Tonks Hangout writing additions and adjustments. (Made it feel more natural to do the next hangout after spending time doing other things)
* Minor Cho writing variant behind Genie knowledge check.
- don't use a reserved name (starting with an underscore)
- use a file-local mangled name (starting with two underscores
- use renpy.dynamx to cleanup the variable automatically
(cherry picked from commit 3e86094b0b)