Multiple bug fixes for 1.2.9

Fixed GUI for Bannerlord 1.2.7

Fixed Strong arm perk changes

Fixed Strong arm perk changes

Fixed marriage

Added family support
Fixed a crash while saving a wanderer not already recruited

Added banner transfert support
Fixed the loyaly problem in settlements due to culture (thanks Colder on Steam)
Cultures available aren't only the default ones anymore (untested but should work if you have the right ID)
Fixed some of the character encyclopedia being replaced by "Unknown"
Added notes to show which elements are only modifiable for the main character

Fixed partner field
> You can now marry whoever you want again
Fixed death field
> Character will re-appear after ~10 days

Minor changes.