Add travis config.

Author: JakeWharton

.travis.yml

@@ -0,0 +1,18 @@
+language: java
+
+branches:
+  excludes:
+    - gh-pages
+
+notifications:
+  email: false
+
+before_install:
+  - wget http://dl.google.com/android/android-sdk_r21.0.1-linux.tgz
+  - tar -zxf android-sdk_r21.0.1-linux.tgz
+  - export ANDROID_HOME=~/builds/square/spoon/android-sdk-linux
+  - export PATH=${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools
+  - TOOLS=$(android list sdk --no-ui | grep "Android SDK Platform-tools" | cut -d"-" -f1)
+  - android update sdk --filter "$TOOLS" --no-ui --force
+  - SDK=$(android list sdk --no-ui | grep ", API 16," | cut -d"-" -f1)
+  - android update sdk --filter "$SDK" --no-ui --force