Merge pull request #427 from AltBeacon/circle-ci

add circle.yml for circle ci

Author: davidgyoung

circle.yml

@@ -0,0 +1,7 @@
+machine:
+  java:
+    version: openjdk8
+dependencies:
+  pre:
+    - echo y | android update sdk --no-ui --all --filter "tools,android-24,build-tools-24.0.2,platform-tools,extra-android-m2repository,extra-google-m2repository"
+