Bump save format. Release date in changelog.

ChangeLog

@@ -1,4 +1,4 @@
-0.85 -> 0.86 (Sep 01 2011?)
+0.85 -> 0.86 (Sep 01 2011)
 GENERAL:
 * Reinstated music support
 * Bonus system optimizations (caching)

lib/Connection.h

@@ -26,7 +26,7 @@
 
 #include "ConstTransitivePtr.h"
 
-const ui32 version = 729;
+const ui32 version = 730;
 class CConnection;
 class CGObjectInstance;
 class CGameState;