Fix tutorial generation warnings
Merge pull request #841 from VictorLamoine/fix_tutorials_warnings

Fix tutorial generation warnings
Added functions to query depth, ir and color frame count.

This new functions can be used to determin the end of an .one file stream.

Adjusted frame count fix to meet pcl styleguide.

Missing spaces
Merge pull request #843 from nylocx/frameCountFix

Added functions to query depth, ir and color frame count.
Fix Disappearing cloud from selection

The new cloud from selection is created with the pose information of
the original cloud. If more than one original clouds are selected,
the pose of the first one is used.

minor style corrections

style correction
Merge pull request #814 from frankpablo/cloud-composer-fix

Fix Disappearing cloud from Selection
Fixed focal length and center point for devices with different rgb and depth resolution.
Merge pull request #844 from nylocx/openni2grabberFix

Fixed focal length and center point for devices with different rgb and depth resolution.
Fix multi openni grabber buffer corruption
Merge pull request #845 from bsyoon/mog

Fix multi openni grabber buffer corruption
Fix for PCLVisualizer::addCube function.
Using vtkLODActor instead of vtkActor to avoid crashes in updateShapePose function.
Merge pull request #846 from nylocx/addCubeFix

Fix for PCLVisualizer::addCube function.
changed line 90 sqrt(3) to std::sqrt(3.0) in grsd.hpp and line 340,376,412 size_t to int in harris_2d.hpp
Merge pull request #847 from rubenkruiper/master

changed grsd.hpp and harris_2d.hpp