catkinizing against hydro. progress towards #6
finished catkinizing segbot_sensors #6
catkinized segbot_bringup. closes #6
changed rosinstall files to reflect upcoming restructure
freenect_launch has been released into hydro, uncommenting run_depend in package.xml
xacro is only required by launch files
now requires robot state publisher and joint state publisher
Merge pull request #8 from utexas-bwi/catkinize

Catkinized.