Partial merge of mainline develop

1 files changed, 9 insertions, 2 deletions

diff --git a/README.md b/README.md
index 8664953c0c..fe00e2af27 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 ![image](share/spack/logo/spack-logo-text-64.png "Spack")
 ============
 
-[![Build Status](https://travis-ci.org/LLNL/spack.png?branch=develop)](https://travis-ci.org/LLNL/spack)
+[![Build Status](https://travis-ci.org/LLNL/spack.svg?branch=develop)](https://travis-ci.org/LLNL/spack)
+[![Coverage Status](https://coveralls.io/repos/github/LLNL/spack/badge.svg?branch=develop)](https://coveralls.io/github/LLNL/spack?branch=develop)
 
 Spack is a package management tool designed to support multiple
 versions and configurations of software on a wide variety of platforms
@@ -59,7 +60,13 @@ can join it here:
 
 At the moment, contributing to Spack is relatively simple.  Just send us
 a [pull request](https://help.github.com/articles/using-pull-requests/).
-When you send your request, make ``develop`` the destination branch.
+When you send your request, make ``develop`` the destination branch on the
+[Spack repository](https://github.com/LLNL/spack).
+
+Your contribution will need to pass all the tests run by the `spack test`
+command, as well as the formatting checks in `share/spack/qa/run-flake8`.
+You should run both of these before submitting your pull request, to
+ensure that the online checks succeed.
 
 Spack is using a rough approximation of the [Git
 Flow](http://nvie.com/posts/a-successful-git-branching-model/)