Fix Ensenso CMake config
Change search & check method.

radius-serach & check k --> k-search & check radius
Merge pull request #966 from VictorLamoine/ensenso

Fix Ensenso CMake config
Merge pull request #709 from Falcon4/master

Improve RadiusOutlierRemoval's performance
Templated addPointCloudPrincipalCurvatures
Adde removeAllCoordinateSystems
Merge pull request #965 from aecins/master

Add removeAllCoordinateSystems and templated addPointCloudPrincipalCurvatures
Clarify Ensenso CMake config
Merge pull request #973 from VictorLamoine/ensenso

Clarify Ensenso CMake config
Add info about ANSI colors in Eclipse
Merge pull request #974 from VictorLamoine/eclipse_tutorial

Add info about ANSI colors in Eclipse
Fix in PCLVisualizer
Merge pull request #977 from mdkus/master

Fix in PCLVisualizer
Update RobotEyeGrabber to handle dynamic packet sizes, as well as a new header that includes time stamps
Merge pull request #982 from samontab/master

Update RobotEyeGrabber class to handle new packet format
Add "WITH_OPENGL" option to make OpenGL and Glut inclusion conditional
Merge pull request #986 from zinosat/conditional_opengl

Add "WITH_OPENGL" option to make OpenGL and Glut inclusion conditional
Fix class GeneralizedIterativeClosestPoint6D doesn't exported
Merge pull request #988 from UnaNancyOwen/fix_gicp6d

Fix class GeneralizedIterativeClosestPoint6D doesn't exported
Fix in ImageViewer (PCLVisualizer)