GenSim 1.4

Changes:
 * Might have fixed sporadic freezing on chicken deletion 
 * Cleaned up code some
 * Chi-Squared updates automatically on every value change after all text boxes filled

 + Close chicken view, parent phenotype view with 'escape'
 + Keyboard shortcuts
	+ 'a' adds chickens
	+ 'c' runs count
	+ 'p' sets selected as parent
	+ 's' shows parents
	+ 'v' displays chicken view
	+ 'delete' removes selected

 - Unused gene classes from earlier version

(* is changed, + is added, - is removed)