Post-release version bump
Merge branch 'release-0.4.2' into develop
Added Detector_BgSubtractor detector
Some tabulations appeared from outterspace...
Corrected some bugs
Updated documentation
Added Detector_DepthTouch, which uses a depth map to tactilize a surface
Added a parameter to specify a detection distance related to the stddev of the surface
Updated documentation
Added documentation for Detector_ObjOnAPlane
Updated blobtrainer to allow for cross validation
Corrected an error in blobtrainer regarding cross-validation
Small correction in documentation
Added another example configuration file
Added some randomness to the cross validation
Updated NEWS
Merge branch 'release-0.4.3'