* adds checkstyle to CI
* fixed gradlew path
* resolved testapp checkstyle violations
* added back mapboxMap variable for test
* checkstyle annotations
* checkstyle SDK round 1
* maps package checkstyle
* rest of SDK checkstyle
* checkstyle gesture library
* checkstyle test
* finished rest of test checkstyle
* resolved all checkstyle errors
* fixed class name
* removed old test file
* fixed camera postion test
* fixed native crash
* [android] - update android gradle tools, update test app version number, update target sdk to nougat, update support lib versions to latest
* new tools generated an aligned test apk, breaks CI integration
* update to Nougat release 7.1, update related tooling, update version code test app to 5.0.0.
* update wear module
* update gradle.properties
