Merge pull request #235 from JohanMabille/ci

Updated CI badges and links

Author: JohanMabille

README.md

@@ -1,20 +1,20 @@
 # ![xframe](docs/source/xframe.svg)
 
-[![Travis](https://travis-ci.org/QuantStack/xframe.svg?branch=master)](https://travis-ci.org/QuantStack/xframe)
-[![Appveyor](https://ci.appveyor.com/api/projects/status/ob700oy60ee23r3q/branch/master?svg=true)](https://ci.appveyor.com/project/QuantStack/xframe/branch/master)
+[![Travis](https://travis-ci.org/xtensor-stack/xframe.svg?branch=master)](https://travis-ci.org/xtensor-stack/xframe)
+[![Appveyor](https://ci.appveyor.com/api/projects/status/nhjtyvkefhyo26v5?svg=true)](https://ci.appveyor.com/project/xtensor-stack/xframe)
 [![Documentation](http://readthedocs.org/projects/xframe/badge/?version=latest)](https://xframe.readthedocs.io/en/latest/?badge=latest)
-[![Binder](https://img.shields.io/badge/launch-binder-brightgreen.svg)](https://mybinder.org/v2/gh/QuantStack/xframe/stable?filepath=notebooks/xframe.ipynb)
+[![Binder](https://img.shields.io/badge/launch-binder-brightgreen.svg)](https://mybinder.org/v2/gh/xtensor-stack/xframe/stable?filepath=notebooks%2Fxframe.ipynb)
 [![Join the Gitter Chat](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/QuantStack/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 ## Introduction
 
 **xframe is an early developer preview, and is not suitable for general usage yet. Features and implementation are subject to change.**
 
-`xframe` is a dataframe for C++, based on [xtensor](https://github.com/QuantStack/xtensor) and [xtl](https://github.com/QuantStack/xtl).
+`xframe` is a dataframe for C++, based on [xtensor](https://github.com/xtensor-stack/xtensor) and [xtl](https://github.com/xtensor-stack/xtl).
 
 ## Dependencies
 
-`xframe` depends on the [xtensor](https://github.com/QuantStack/xtensor) library:
+`xframe` depends on the [xtensor](https://github.com/xtensor-stack/xtensor) library:
 
 |  xframe  |  xtensor  |
 |----------|-----------|