0.7.0

• added isConnected(final String host, final int port, final int timeoutInMs, ErrorHandler errorHandler) method to DefaultInternetObservingStrategy class
• added isConnected(final Socket socket, final String host, final int port, final int timeoutInMs, final ErrorHandler errorHandler) method to DefaultInternetObservingStrategy class
• renamed SocketErrorHandler to ErrorHandler and updated its API
• renamed DefaultSocketErrorHandler to DefaultErrorHandler
• updated API of the InternetObservingStrategy
• updated packages organization
• migrated unit tests to Robolectric (now tests can be executed without an emulator or a device)
• enabled test coverage reports with codecov.io and Jacoco
• test coverage was increased from 54% to 74%
• unit tests are now executed on Travis CI
• test coverage report is generated by Travis CI with codecov.io
• added MarshmallowNetworkObservingStrategy and handling Doze mode
• bumped RxJava to v. 1.2.3
• updated build tools to v. 2.0.3
• updated Gradle configuration
• updated Travis CI configuration
• added ProGuard configuration