multicamera bad namespace. Fixes #161

There was a race condition between GazeboRosCameraUtils::LoadThread
creating the ros::NodeHandle and GazeboRosCameraUtils::Load
suffixing the camera name in the namespace
Initialize depth_image_connect_count_ in openni_kinect plugin
this corrects the right orientation of the laser scan and improves on comparison between 2 double numbers
update test world for block laser
Merge pull request #172 from toliver/F_fix_kinect_depth_image_publish

Initialize depth_image_connect_count_ in openni_kinect plugin
Merge pull request #171 from pal-robotics/fix-multicamera

multicamera bad namespace. Fixes #161
catkin_generate_changelog and fix rst format for forthcoming logs
catkin_tag_changelog
2.3.5
Merge remote-tracking branch 'upstream/hydro-devel' into hydro-devel
pioneer model update for the multi_robot_scenario