Update manipulation/rgbd_assembler/launch/rgbd_kinect_assembler.launch

changed depth channel to depth_registered channel on physical robot. Previous version was inconsistent.
added capability to use freenect driver. default remains openni
Added ability to use freenect driver. Made it the new default
updated pluginlib export macro
Merge branch 'groovy-devel' of github.com:jon-weisz/pr2_object_manipulation into groovy-devel
addition to #25: use arg instead of group for freenect/openni.
Update manipulation/pr2_marker_control/src/marker_control.cpp
bugfix for #23: enable kinect by default
Merge branch 'groovy-devel' of github.com:ros-interactive-manipulation/pr2_object_manipulation into groovy-devel