Merge pull request #218 from Vinatorul/coveralls

Add coveralls

.travis.yml

@@ -1,4 +1,5 @@
 language: rust
+sudo: required
 rust:
   - nightly
   - beta
@@ -14,7 +15,9 @@ script:
     make -C clap-tests test &&
     travis-cargo --only stable doc
 after_success:
-  - travis-cargo --only stable doc-upload
+  - |
+    travis-cargo --only stable doc-upload &&
+    travis-cargo --only stable coveralls -- --features yaml
 env:
   global:
     secure: JLBlgHY6OEmhJ8woewNJHmuBokTNUv7/WvLkJGV8xk0t6bXBwSU0jNloXwlH7FiQTc4TccX0PumPDD4MrMgxIAVFPmmmlQOCmdpYP4tqZJ8xo189E5zk8lKF5OyaVYCs5SMmFC3cxCsKjfwGIexNu3ck5Uhwe9jI0tqgkgM3URA=

README.md

@@ -1,6 +1,6 @@
 # clap
 
-[![Build Status](https://travis-ci.org/kbknapp/clap-rs.svg?branch=master)](https://travis-ci.org/kbknapp/clap-rs) [![](http://meritbadge.herokuapp.com/clap)](https://crates.io/crates/clap) [![license](http://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/kbknapp/clap-rs/blob/master/LICENSE-MIT) [![Join the chat at https://gitter.im/kbknapp/clap-rs](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/kbknapp/clap-rs?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Build Status](https://travis-ci.org/kbknapp/clap-rs.svg?branch=master)](https://travis-ci.org/kbknapp/clap-rs) [![](http://meritbadge.herokuapp.com/clap)](https://crates.io/crates/clap) [![license](http://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/kbknapp/clap-rs/blob/master/LICENSE-MIT) [![Coverage Status](https://coveralls.io/repos/kbknapp/clap-rs/badge.svg?branch=master&service=github)](https://coveralls.io/github/kbknapp/clap-rs?branch=master) [![Join the chat at https://gitter.im/kbknapp/clap-rs](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/kbknapp/clap-rs?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 Command Line Argument Parser for Rust