update new version date

version.h

@@ -5,7 +5,7 @@ namespace Gda {
 	const int version_subbuild = 3;
 	const int version_year = 2016;
 	const int version_month = 5;
-	const int version_day = 9;
+	const int version_day = 20;
 	const int version_night = 0;
 	const int version_type = 1; // 0: alpha, 1: beta, 2: release
 }