Add Travis-CI config file

Author: brarcher

.travis.yml

@@ -0,0 +1,16 @@
+language: android
+sudo: true
+
+install:
+- echo y | android update sdk -u -a -t tools
+- echo y | android update sdk -u -a -t platform-tools
+- echo y | android update sdk -u -a -t build-tools-26.0.2
+- yes | sdkmanager "platforms;android-27"
+- echo y | android update sdk -u -a -t extra-google-m2repository
+- echo y | android update sdk -u -a -t extra-android-m2repository
+
+script: ./gradlew assembleRelease testReleaseUnitTest lintRelease findbugs
+
+after_failure:
+- cat app/build/reports/findbugs/findbugs.html
+- cat app/build/reports/tests/debug/index.html