Change to main and board

Made a few very small changes
	renamed:    src/Accusation.java -> src/Announcement.java
	modified:   src/Announcement.java
	modified:   src/Turn.java
More changes ( + Board changes)

Change Accusation to Announcement (an accusation is a special kind of
announcement) and started work on turn.
Main loop pseudo

Added the pseudo code for the main loop. This is what we should be
building off