Updated readme with travis badges.

README.md

@@ -7,9 +7,9 @@ Serilog combines the best features of traditional and structured diagnostic logg
 
 Would you like to help make Serilog even better? We keep a list of issues that are approachable for newcomers under the [up-for-grabs](https://github.com/serilog/serilog/issues?labels=up-for-grabs&state=open) label!
 
-Branch  | Status
+Branch  | AppVeyor | Travis
 ------------- | -------------
-dev | [![Build status](https://ci.appveyor.com/api/projects/status/b9rm3l7kduryjgcj/branch/dev?svg=true)](https://ci.appveyor.com/project/serilog/serilog/branch/dev)  
-master | [![Build status](https://ci.appveyor.com/api/projects/status/b9rm3l7kduryjgcj/branch/master?svg=true)](https://ci.appveyor.com/project/serilog/serilog/branch/master)
+dev | [![Build status](https://ci.appveyor.com/api/projects/status/b9rm3l7kduryjgcj/branch/dev?svg=true)](https://ci.appveyor.com/project/serilog/serilog/branch/dev)  | [![Build Status](https://travis-ci.org/serilog/serilog.svg?branch=dev)](https://travis-ci.org/serilog/serilog) 
+master | [![Build status](https://ci.appveyor.com/api/projects/status/b9rm3l7kduryjgcj/branch/master?svg=true)](https://ci.appveyor.com/project/serilog/serilog/branch/master) | [![Build Status](https://travis-ci.org/serilog/serilog.svg?branch=master)](https://travis-ci.org/serilog/serilog) 
 
 Copyright © 2015 Serilog Contributors - Provided under the [Apache License, Version 2.0](http://apache.org/licenses/LICENSE-2.0.html). Needle and thread logo a derivative of work by [Kenneth Appiah](http://www.kensets.com/).