fixes crash in ConvexHull when qhull doesn't find any vertices
Fix: now the PCLVisualizer.close() method actually closes the window.
TransformationEstimation using LM in a point to plane fashion with per-correspondence weights.
more transformation estimation cleanups
Merge remote-tracking branch 'upstream/master'
Added mutex lock when acquiring point clouds in ground_based_people_detection app.
Merge pull request #95 from sdmiller/master

Fixed grabber_test (again)
adding travis.yml to github hooks on travis-ci.org
minor
fixing travis build script
adding pcl dependencies to .travis.yml
Fixing dependency installation
adding boost and qhull dependencies
adding doxygen & sphinx
minor
executing install, test, Tutorials & doc make targets
Merge pull request #88 from aichim/master

Added a transformation estimation method that uses point-to-plane LM and per-correspondence weights.
Merge pull request #79 from fran6co/patch-2

fixes crash in ConvexHull when qhull doesn't find any vertices
Merge pull request #85 from tcavallari/pcl-visualizer-fix

Fix: now the PCLVisualizer.close() method actually closes the window.
Adding PCL_NO_PRECOMPILE build flag