added Travis CI

Author: marcoschwartz

.travis.yml

@@ -0,0 +1,13 @@
+language: c
+sudo: false
+before_install:
+  - source <(curl -SLs https://raw.githubusercontent.com/adafruit/travis-ci-arduino/master/install.sh)
+install:
+  - arduino --install-library "aREST"
+  - arduino --install-library "DHT sensor library"
+script:
+  - build_platform esp8266
+notifications:
+  email:
+    on_success: change
+    on_failure: change

README.md

@@ -1,2 +1,3 @@
-# iot-esp8266
+# Internet of Things with the ESP8266 [![Build Status](https://travis-ci.org/openhomeautomation/iot-esp8266.svg)](https://travis-ci.org/openhomeautomation/iot-esp8266)
+
 Code for the Internet of Things with the ESP8266 book