Add Gitter integration to Travis and add badges to the docs.

Author: tannewt

.travis.yml

@@ -7,6 +7,14 @@ cache:
   directories:
     - "${HOME}/persist"
 
+notifications:
+  webhooks:
+    urls:
+      - https://webhooks.gitter.im/e/c38b3bb3a3e131d955a1
+    on_success: change  # options: [always|never|change] default: always
+    on_failure: always  # options: [always|never|change] default: always
+    on_start: never     # options: [always|never|change] default: always
+
 before_script:
   - sudo add-apt-repository -y ppa:team-gcc-arm-embedded/ppa
   - sudo dpkg --add-architecture i386

README.md

@@ -1,6 +1,6 @@
 # Adafruit CircuitPython
 
-[![Build Status](https://travis-ci.org/adafruit/circuitpython.svg?branch=master)](https://travis-ci.org/adafruit/circuitpython) [![Doc Status](https://readthedocs.org/projects/circuitpython/badge/?version=latest)](http://circuitpython.readthedocs.io/)
+[![Build Status](https://travis-ci.org/adafruit/circuitpython.svg?branch=master)](https://travis-ci.org/adafruit/circuitpython) [![Doc Status](https://readthedocs.org/projects/circuitpython/badge/?version=latest)](http://circuitpython.readthedocs.io/) [![Gitter](https://badges.gitter.im/adafruit/circuitpython.svg)](https://gitter.im/adafruit/circuitpython?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 This is an open source derivative of [MicroPython](http://www.micropython.org)
 for use on educational development boards designed and sold by [Adafruit](https://www.adafruit.com)
@@ -25,7 +25,7 @@ are agreeing to the
 Contributors who follow the
 [Code of Conduct](https://github.com/adafruit/circuitpython/blob/master/CODE_OF_CONDUCT.md)
 are welcome to submit pull requests and they will be promptly reviewed by
-project admins.
+project admins. Please join the [Gitter chat](https://gitter.im/adafruit/circuitpython) too.
 
 ## Differences from [MicroPython](https://github.com/micropython/micropython)
 

index.rst

@@ -1,6 +1,18 @@
 Adafruit CircuitPython API Reference
 ========================================
 
+.. image:: https://travis-ci.org/adafruit/circuitpython.svg?branch=master
+    :target: https://travis-ci.org/adafruit/circuitpython
+    :alt: Build Status
+
+.. image:: https://readthedocs.org/projects/circuitpython/badge/?version=latest
+    :target: http://circuitpython.readthedocs.io/
+    :alt: Doc Status
+
+.. image:: https://badges.gitter.im/adafruit/circuitpython.svg
+    :target: https://gitter.im/adafruit/circuitpython?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge
+    :alt: Gitter
+
 Welcome! This is the documentation for Adafruit CircuitPython. It is an open
 source derivative of `MicroPython <https://micropython.org>`_ for use on
 educational development boards designed and sold by `Adafruit