patch 7.4.880

Problem:    No build and coverage status.
Solution:   Add links to the README file. (Christian Brabandt)

README.md

@@ -29,6 +29,9 @@ Which one you need depends on the system you want to run it on and whether you
 want or must compile it yourself.  Check http://www.vim.org/download.php for
 an overview of currently available distributions.
 
+[![Build Status](https://travis-ci.org/vim/vim.svg?branch=master)](https://travis-ci.org/vim/vim)
+[![Coverage Status](https://coveralls.io/repos/vim/vim/badge.svg?branch=master&service=github)](https://coveralls.io/github/vim/vim?branch=master)
+
 
 ## Documentation ##
 

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    880,
 /**/
     879,
 /**/