How to redirect a web repository to a local folder in a ROS package?

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Hi!!!

I'm newbie in this. I'm trying to use the turtlebot packages in a Roomba 600 but I can't. I've found that the default rate is 57600 and I need to change it to 115200. I've saw in the folder "create_driver" that it is at /opt/ros/indigo/share/create_driver the "package.xml" file and this file uses the roomba driver of a github repository, this is the code:

<package>
  <name>create_driver</name>
  <version>2.3.0</version>
  <description>
    Driver for iRobot Create and Roomba

    This is a generic driver for iRobot Create that currently holds
    implementations for Turtlebot and Roomba. Port
    of pyrobot.py by Damon Kohler.  It is currently labeled as
    turtlebot_driver pending review by the entire create community
    before using the name create_driver.

    For ROS bindings, please see turtlebot_node.
  </description>
  <maintainer email="turtlebot@osrfoundation.org">OSRF</maintainer>
  <license>MIT</license>
  <url type="website">http://ros.org/wiki/create_driver</url>
  <url type="repository">https://github.com/turtlebot/turtlebot_create</url>
  <url type="bugtracker">https://github.com/turtlebot/turtlebot_create/issues</url>
  <author email="damonkohler@google.com">Daemon Kohler</author>
  <author email="kwc@kwc.org">Ken Conley</author>
  <author email="mwise@willowgarage.com">Melonee Wise</author>

  <buildtool_depend>catkin</buildtool_depend>

  <export>

In that repository uses a baud rate of 57600 and my robot works with 115200, I've download the package of this repository and I've change it the baud rate but I don't know how to use it instead of the web repository, that I imagine is this line code : <url type="repository">https://github.com/turtlebot/turtlebot_create</url>

Thanks in advance!!! <rosdoc config="rosdoc.yaml"/> </export> </package>