I'm sorry to be the bringer of bad news but the kinect won't work with the Pi. The usb used on that board is of poor quality, I would suggest you try a different board like this
https://www.olimex.com/Products/OLinuXino/A10/A10-OLinuXino-LIME/open-source-hardware
Now as far as intrael is concerned it hasn't been updated for quite some time. I'm actively working on converting it to a C library though,along with bindings for many languages(do you have a preference?). If you're interested in the original intrael functionality it will be very easy to build networked computer vision services with it(I will have some samples at launch). It should be available at some point in February, I can ping you if you like.