Fixed some compile/runtime errors encountered with ROS Fuerte
Added gridfs and flush_after_write to cimg and pcl
Added support for rosparam and topic throttling
Fixed a few errors in the throttling
Added throttling to cimg and pcl
Added cimg/pcl throttling to the python file
Tested and fixed message throttling in cimg and pcl
Added dedicated C++ logger for pcl2 messages
adding fork fixes