fix tiled read for reading tiles into partial blocks in image
eliminate crash in ipp-accelerated norm and mean functions (thanks to Matt Curfman and Aaron Kunze for the patch)
Updated cloud io functionality - removed dependency from VTK legacy
More proper OpneCv+Qt+Vtk issues handling (http://code.opencv.org/issues/3492)
cloud collection merges data only on rendering
fixed size_t/int conversion warnings
proper render call order (fixes some issues with VTK6.1)
default meshlab background
Fixed all OpenGL issues for Macos (via objective-C++ layer)
cloud collection finalize
casting Vec3b operator for viz::Color
ocl: added SVM perf test
fixed two warnings in gpu sources (-Wshadow, -Wno-sign-promo)
fixed doc/tutorials/imgproc/histograms/template_matching/template_matching.rst
Added WidgetMerger, Polyline - colors support for each point independently, simple widgets now compute color array instead of setting global color
fixed crash for windows if console widow is closed or CTRL_C/CTRL_BRAK keys in console are pressed.
source compatibility with master
Update cap_ios_abstract_camera.mm

AVCaptureVideoPreviewLayer setOrientation is depricated. This fixes the warning and provides backward compatibility.
Merge pull request #2343 from yashdv:template_matching_doc_fix
Merge pull request #2339 from jet47:gpu-warnings