The Java client for adsbrecorder server.

1. Clone and build the JNI library which passes data from RTL SDR device to Java objects. And add the path of the .so file to java.library.path.
2. Setup the adsbrecorder server.
3. TBD: Create src/main/resources/application.properties with connection credentials for the server.
4. Run mvn package to build jar for this application.
5. Simply run java -jar adsb-receiver-<version>.jar to start this application. It will start upload data to the remote server.