vim-patch:7.4.235

Problem:    It is not easy to get the full path of a command.
Solution:   Add the exepath() function.

https://code.google.com/p/vim/source/detail?r=5ab2946f7ce560985830fbc3c453bb0f7a01f385

src/nvim/version.c

@@ -360,7 +360,7 @@ static int included_patches[] = {
   //238,
   237,
   236,
-  //235,
+  235,
   234,
   233,
   232,