PDALtoPCD now lives in the pclsupport namespace
options changes ripple down to PCLVisualizer and View
Merge pull request #520 from chambbj/namespace-fix-for-pcl

PDALtoPCD now lives in the pclsupport namespace
Merge pull request #521 from chambbj/set-options-for-view

options changes ripple down to PCLVisualizer and View
Merge branch 'master' of https://github.com/PDAL/PDAL
tweak front page
doc tweak FAQ -- add note about PCL
fix makeReader in Ground and PCL kernels
Merge pull request #522 from chambbj/fix-ground-pcl-kernels

fix makeReader in Ground and PCL kernels
Update FindJsoncpp cmake file and Greyhound driver.