Title: Make Message Options Reflect True Name of Duchy
Summary: When sending messages to "all lords of your duchy of X" have 'X' actually be the name of the duchy, not the name of the original duchy based upon the city region which it was originally named for. So, when name changes are made by rulers this actually updates. Same for "all knights of your duchy of X."
Details: On the Message screen, when a duke has the option of sending messages he chooses between a bunch of different options. The sent messages both after sending and while writing the messages should reflect the true duchy name. This way the Duke's signature will be obviously attached to this message, instead of having a dichotomy that suggests he may have less authority than he really does.
Benefits: Clarity. It makes sense as well.
Possible Exploits: None. (Name change exploits are dealt with by ruler at time of changing)