Merge branch 'release/2.1' into develop
updated lib version
Add Gradle dependency settings.

Please add the required settings one would need to configure in a **Maven** or **Gradle** project in order to load the library from a central repository.
Merge pull request #12 from johnjohndoe/patch-1

Add Gradle dependency settings.
refactoring
updated google-play-services to 4.2.42
updated gradle to 1.10
added ClusteringSettings.minMarkersCount
Merge branch 'feature/min_cluster_size' into develop
hack to make lib compile (google play services has minSdkVersion=9)
updated gradle to 1.11
added travis.yml
no email notifications
set executable gradlew on travis
not signing on travis
added build status
updated build tools
pre-dexing disbled on travis
removed log on travis
updated google-play-services_lib to 4.3