Remove trailing spaces in SAC model parallel line
Split line and parallel line models into separate 'cpp' files
Fix documentation for SAC model parallel line
Add const qualifiers in SAC model parallel plane
Fix angular distance condition in SAC model parallel line

The old condition checked if the line model is perpendicular to the axis
provided by user, while according to the name of the class and
documentation it should rather check if the line model is parallel to
the axis.
Add a test for SAC model parallel line

Additionaly rename test_sample_consensus_line_model to reflect the fact
that now it tests multiple line models.
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)
Merge pull request #990 from mdkus/master

Fix in ImageViewer (PCLVisualizer)
Always build libpcl_apps.so

- Remove superfluous checks for VTK and OpenNI in apps
Merge pull request #991 from jspricke/apps_cmake

Always build libpcl_apps.so
Fix: fx and fy where not computed correctly with user-specified depth focal length in convertToXYZRGBPointCloud
Merge pull request #992 from paperManu/openni2_fix_depth2cloud

Fixed OpenNI2Grabber::convertToXYZRGBPointCloud
Fix the L1 normalization of the RoPS feature
Merge pull request #993 from andersgb1/master

Fix the L1 normalization of the RoPS feature