patch 8.0.0807: terminal window can't handle mouse buttons

Problem:    Terminal window can't handle mouse buttons. (Hirohito Higashi)
Solution:   Implement mouse buttons and many other keys.  Ignore the ones that
            are not implemented.

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    807,
 /**/
     806,
 /**/