Fix compilation with Boost 1.53

cf. https://bugreports.qt-project.org/browse/QTBUG-22829
Merge pull request #36 from jspricke/master

Fix compilation with Boost 1.53
Fixed documentation in frustum_culling for transforming to robot coordinates
Merge pull request #38 from sdmiller/master

Fixed documentation for @FrustumCulling@
fixed a bug in BRISK keypoint estimation where if the keypoint type
would be different than PointWithScale a compiler error would occur
Merge branch 'histogram' of https://github.com/KoenBuys/pcl into histogram
Minor fix in extension string used in io::loadPolygonFile.
The extension does not include the stop so the strings used for comparison should not either.
Merge pull request #40 from iglesias/dev

Minor fix in extension string used in io::loadPolygonFile.
Merge branch 'master' of https://github.com/PointCloudLibrary/pcl into histogram
Merge branch 'histogram' of https://github.com/KoenBuys/pcl into histogram
temporary hack to fix problem with fptr
Merge branch 'histogram' of https://github.com/KoenBuys/pcl
Merge branch 'histogram' of https://github.com/SebastienDucatteeuw/pcl
Only count for hue values when both the saturation and the value are not too small.
Added histogramCoherence class
Added BhattacharyyaDistance function
Fixing some bugs in computeCoherence function
Added a missing line in class description
Added cloud2uvmatrix method
Project pointcloud before calculating histogram