Update dinast_grabber.cpp

Change non-standard logical OR comparison of Pascal type syntax to C.
Merge pull request #559 from tomazas/master

Change non-standard logical OR comparison of Pascal type syntax to C (closes #558)
Add: pcl::BadArgumentsException class to be thrown from namespace

For void free functions when arguments are wrong throw this exception
Add function to compute interpolated index from current index, length and border type
Set RGB color handler as default in pcl_viewer
Fix warnings in filters/grid_minimum.h

> grid_minimum.h:83:9: warning: field 'divb_mul_' will be initialized after field 'min_points_per_grid_' [-Wreorder]
Register PointXYZLAB point type properly

This commit adds an auxiliary point type `_PointXYZLAB` (similarly to
how it is done for native PCL point types) in order to fix the invalid
offset warning:

> gicp6d.h:78:1: warning: offset of on non-POD type 'pcl::PointXYZLAB' [-Winvalid-offsetof]
Add a draft of contributing draft
Merge pull request #561 from taketwo/fix-warnings

Fix compiler warnings
Merge pull request #562 from taketwo/add-contributing-guide

Add a contributing guide
Rearrange sections in CONTRIBUTING.md

Swapped "Pull requests" and "Bug reports" sections to give the former
more priority, deleted "Suggested process" section (moved it to the
project Wiki).
Add "License" section to CONTRIBUTING.md
Merge pull request #566 from taketwo/update-contributing-guide

Update contributing guide
Merge pull request #556 from xiangxw/master

Set RGB color handler as default in pcl_viewer
Add: morphological filters operate on the z dimension (replaces #521)
Added updateCoordinateSystemPose(..) to PCLVisualizer.
pcl_kinfu_app saves camera pose to csv file.

Added -save_pose option. Will save camera pose only if filename is given.

processPose takes a const reference instead of copying the Eigen object

check if stream is good before writing.
fixed a few style guide violations.
fixed a few style guide violations.
fixed example run in octave script
Add threePlanesIntersection
Merge pull request #571 from VictorLamoine/intersections

Add threePlanesIntersection
Merge pull request #533 from chambbj/morphological-filters-new

Add: morphological filters operate on the z dimension (replaces #521)