update default mp controls

iw4x/iw4x_00/default_mp_controls.cfg

@@ -58,10 +58,13 @@ bind `			"toggleconsole"
 bind t	"chatmodepublic"
 bind b "mp_QuickMessage" //nightvision is on n now
 bind y	"chatmodeteam"
-//bind z	"+talk"
+bind z	"+talk"
 //bind x	"openscriptmenu ingame changeweapon"
 
 // CLIENT ENVIRONMENT COMMANDS
+bind F1		"vote yes"
+bind F2		"vote no"
+bind F4		"+scores"
 bind F12	"screenshotJPEG"
 
 // Default controller bindings