Mainly small install script improvements - Consistent usage of `$LUANHOME`, removed reliance on current directory. - Made Luan build and install fine (on Linux) without requiring launching it via sudo. Only asks to elevate privileges if installation failed. - Minor spelling mistake fix.

package goodjava.rpc;


public class RpcError extends RuntimeException {

	public RpcError(String msg) {
		super(msg);
	}

	public RpcError(Exception e) {
		super(e);
	}

}