Fix warnings regarding using abs with floating point numbers
Merge pull request #1002 from taketwo/fix-warnings-in-features

Fix warnings regarding using abs with floating point numbers
Delete useless file
New Qt tutorial: color clouds
Adjust to new constructor for ConditionalRemoval
Merge pull request #1006 from rjcharron/devel

Adjust to new constructor for ConditionalRemoval
Make nan values detection case insensitive
Add introduce_nan program
Merge pull request #1005 from VictorLamoine/qt

Qt tutorials
Merge pull request #1004 from VictorLamoine/master

Make nan values detection case insensitive
Fix: ImageViewer with VTK6
Merge pull request #1009 from mdkus/master

Fix: ImageViewer with VTK6
Turn Glasbey lookup table into a static class

This avoids hassle with properly exporting GLASBEY_LUT and GLASBEY_LUT_SIZE variables.
Header mising - compilation failed
Merge pull request #1001 from taketwo/update-glasbey-colors

Turn Glasbey lookup table into a static class
Merge pull request #1011 from taketwo/fix-981

Add missing header to `example_lccp_segmentation.cpp`
Add missing PCL_EXPORTS to avoid unresolved externals on MSVC
Move BearingAngleImage test into test/common

Also remove unneeded dependency on pcl_io.