Add travis config

Author: hectorespert

.travis.yml

@@ -0,0 +1,14 @@
+language: python
+
+cache:
+  directories:
+    - "~/.platformio"
+
+install:
+  - pip install -U platformio
+  - platformio update
+
+script:
+  - platformio ci --lib="." --board=uno --board=leonardo --board=sanguino_atmega1284p --board=megaatmega2560 examples/AnalogRead_DigitalRead/AnalogRead_DigitalRead.ino
+  - platformio ci --lib="." --board=uno --board=leonardo --board=sanguino_atmega1284p --board=megaatmega2560 examples/Blink_AnalogRead/Blink_AnalogRead.ino
+  - platformio ci --lib="." --board=uno --board=leonardo --board=sanguino_atmega1284p --board=megaatmega2560 examples/TaskUtilities/TaskUtilities.ino