Add costmap downsampler - fixes SteveMacenski/navigation2#4#23

Merged

SteveMacenski merged 9 commits intoSteveMacenski:nav2_smac_plannerfrom

carlosluis:costmap_downsampler

Aug 7, 2020

Commits on Jul 10, 2020

Add costmap downsampler - fixes SteveMacenski/navigation2#4
carlosluis
committed

Commits on Jul 12, 2020

Improve costmap downsampler implementation
carlosluis
committed

Commits on Jul 14, 2020

Commits on Jul 15, 2020

Add downsampling factor as a param when calling downsample
carlosluis
committed

Commits on Aug 5, 2020

Commits on Aug 7, 2020

Revert "Use break instead of continue for exiting set cost loops"
carlosluis
committed