patch 8.1.0869: Travis CI script is too complicated

Problem:    Travis CI script is too complicated.
Solution:   Add names to environments.  Move appveyor script outside of src
            directory. (Ozaki Kiichi, closes #3890)

src/version.c

@@ -783,6 +783,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    869,
 /**/
     868,
 /**/