Loads a JSON object from a file

getJsonFromUri

	public JSONObject getJsonFromUri(String url) throws JSONException, IOException {
		URLConnection conn = null;
		DataInputStream data = null;
		String line;
		StringBuffer buf = new StringBuffer();

		conn = new URL(url).openConnection();
		conn.connect();

		data = new DataInputStream(new BufferedInputStream(conn.getInputStream()));

		while ((line = data.readLine()) != null) {
			buf.append(line + "\n");
		}

		data.close();

		return new JSONObject(buf.toString());
	}