README : add jenkins build status for master/develop
README : add jenkins build status for master/develop

readium/SDKLauncher-Android,readium/SDKLauncher-Android,msintov/SDKLauncher-Android,readium/SDKLauncher-Android,msintov/SDKLauncher-Android,msintov/SDKLauncher-Android,readium/SDKLauncher-Android,msintov/SDKLauncher-Android