vim-patch:7.4.1486

Problem:    ":loadplugin" is not optimal, some people find it confusing.
Solution:   Only use ":packadd" with an optional "!".

f365482736

src/nvim/version.c

@@ -209,7 +209,7 @@ static int included_patches[] = {
   // 1489 NA
   // 1488 NA
   // 1487 NA
-  // 1486,
+  1486,
   // 1485 NA
   // 1484 NA
   // 1483 NA