Installing Mit-Ros-Pkg on Indigo

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I am currently attempting to install the mit-ros-pkg ( http://wiki.ros.org/mit-ros-pkg ) on my current system, particularly for the Hand Detection packages, however I am encountering issues with the install.

The main issue I am struggling to solve is that when I run the line "rosinstall ~/ros_workspace/kinect_demos /opt/ros/indigo ~/ros_workspace/kinect_demos.rosinstall", it encounters errors with the 'perception_pcl_addons' and 'motion_planning_common' packages, saying the connection timed out, and I cannot find them online, which if they have been taken down, that explains why I couldn't connect. This error seems to interrupt the installation process and it doesn't download the rest of the stuff, including the files needed to install the various packages.

Would anyone be able to give us a hand, I am mostly trying to get this to run "https://github.com/mees/GestureRecognizer" of which it says that it needs the mit-ros-pkg to work (mostly the hand detector), so is there a way I can correct the connection timed out issue, bypass it so that it continues to download the rest of it, some other method of just installing the hand detector packages or some other alternative method that would allow me to install the above on my current Indigo system.

I am kinda new to ROS, so if when your giving answers you could go the most low level of explanation it would be much appreciated, and if something above is incorrect, please say so, thanks.