cast operators of vecs and matrices

	modified:   cvt/math/Matrix2.h
	modified:   cvt/math/Matrix3.h
	modified:   cvt/math/Matrix4.h
	modified:   cvt/math/Vector.cpp
	modified:   cvt/math/Vector2.h
	modified:   cvt/math/Vector3.h
	modified:   cvt/math/Vector4.h
using double precision for RGBDData

	modified:   cvt/io/RGBDParser.cpp
	modified:   cvt/io/RGBDParser.h
using double precision for RGBDData

	modified:   cvt/io/RGBDParser.cpp
	modified:   cvt/io/RGBDParser.h
rgbdvo stuff

	modified:   cvt/vision/rgbdvo/KeyframeBase.h
	modified:   cvt/vision/rgbdvo/RGBDAlignment.h
	modified:   cvt/vision/rgbdvo/RGBDVisualOdometry.h
rgbdvo stuff

	modified:   cvt/vision/rgbdvo/KeyframeBase.h
	modified:   cvt/vision/rgbdvo/RGBDAlignment.h
	modified:   cvt/vision/rgbdvo/RGBDVisualOdometry.h
changes due to RGBDDataset change to double

	modified:   tests/rgbdvo/RGBDVOApp.cpp
	modified:   tests/rgbdvo/rgbdvo.cpp
	modified:   tests/tsdfVolume/main.cpp
	modified:   tests/unproject/main.cpp
changes due to RGBDDataset change to double

	modified:   tests/rgbdvo/RGBDVOApp.cpp
	modified:   tests/rgbdvo/rgbdvo.cpp
	modified:   tests/tsdfVolume/main.cpp
	modified:   tests/unproject/main.cpp
fix ...

	modified:   cvt/vision/rgbdvo/RGBDAlignment.h
fix ...

	modified:   cvt/vision/rgbdvo/RGBDAlignment.h
Added canny

	new file:   ../cvt/gfx/ifilter/Canny.h
Added canny

	new file:   ../cvt/gfx/ifilter/Canny.h
Merge branch 'master' of ssh://euve21593.vserver.de/git/cvt
Merge branch 'master' of ssh://euve21593.vserver.de/git/cvt
rgbdvo stuff

	modified:   ../../cvt/CMakeLists.txt
	deleted:    ../../cvt/vision/rgbdvo/ESMKeyframe.cpp
	deleted:    ../../cvt/vision/rgbdvo/ESMKeyframe.h
	modified:   rgbdvo.cpp
rgbdvo stuff

	modified:   ../../cvt/CMakeLists.txt
	deleted:    ../../cvt/vision/rgbdvo/ESMKeyframe.cpp
	deleted:    ../../cvt/vision/rgbdvo/ESMKeyframe.h
	modified:   rgbdvo.cpp
Merge branch 'master' of ssh://euve21593.vserver.de/git/cvt
Merge branch 'master' of ssh://euve21593.vserver.de/git/cvt
KDTree ...

	modified:   ../cvt/geom/KDTree.h
KDTree ...

	modified:   ../cvt/geom/KDTree.h
Merge branch 'master' of ssh://euve21593.vserver.de/git/cvt