Split 'SplitMerge' class into 2 normal

Update NETCommunications: installation speed now 2x faster

src/main/java/nsusbloader/cli/TinfoilUsb.java

@@ -62,6 +62,7 @@ public class TinfoilUsb {
     private void runTinfoilBackend() throws InterruptedException{
         Runnable task = new UsbCommunications(filesList, "TinFoil", false);
         Thread thread = new Thread(task);
+        thread.setDaemon(true);
         thread.start();
         thread.join();
     }