code: public static void gracefullyDisposeOf(final Disposable... disposables) {
          if (disposables != null) {
              for (final Disposable disposable : disposables) {
                  gracefullyDisposeOf(disposable);
              }
          }
      }
docs: Performs null checks and disposes of assets. Ignores exceptions.
  
  @param disposables will be disposed of (if they exist).