Check for UDP port already in use
Corrected libfreenect.h location.

This is the location that the libfreenect-dev package uses on Lubuntu 13.04: http://packages.ubuntu.com/raring/all/libfreenect-dev/filelist .
Terse comments from Karl
check for libc++ version and osx 10.9
removed "sudo brew" from install_dependencies.sh
taking updates from master