add travis support

Since there are no tests,
for now we just assume when it compiles
everything will be fine :)

.travis.yml

@@ -0,0 +1,26 @@
+language: android
+android:
+  components:
+    # Uncomment the lines below if you want to
+    # use the latest revision of Android SDK Tools
+    # - platform-tools
+    # - tools
+
+    # The BuildTools version used by your project
+    - build-tools-19.1.0
+
+    # The SDK version used to compile your project
+    - android-19
+
+    # Additional components
+    - extra-google-google_play_services
+    - extra-google-m2repository
+    - extra-android-m2repository
+    - addon-google_apis-google-19
+
+    # Specify at least one system image,
+    # if you need to run emulator(s) during your tests
+    # - sys-img-armeabi-v7a-android-19
+    # - sys-img-x86-android-17
+
+script: ./gradlew build