vim-patch:7.4.389

based on #2429 by @Hettomei

Problem:    Still sometimes Vim enters Replace mode when starting up.
Solution:   Use a different solution in detecting the termresponse and
            location response. (Hayaki Saito)

https://code.google.com/p/vim/source/detail?r=v7-4-389

The upstream patch touched a lot of files which don't exist in nvim,
hence the small size of this commit.

src/nvim/version.c

@@ -394,7 +394,7 @@ static int included_patches[] = {
   392,
   391,
   390,
-  //389,
+  389,
   388,
   387,
   386,