speed up point cloud rendering
this is mostly caching some computations and using proper loop iterations
EffortDisplay: Added a check to avoid segfaults when receiving a joint state without efforts
[style] whitespace cleanup
enable travis support for hydro
Fix memory leak in BillboardLine destructor (material not being destroyed correctly)
mesh markers will now add a new pass to blend in the marker color
to allow applying a color tint to the mesh
fixing problems with urdfdom_headers 0.3.0
changelog
1.11.0
Fix segfault on exit for OSX
Update frame_manager.cpp

Changed TF listener to use a dedicated thread.