[3rd attempt] fixed HOGDescriptor::detectMultiScale() to group weights as well as ROIs
Reverted back to the previous method where a public method groupRectangles was added to HOGDescriptor to take care of ROI and weight grouping
Added spacing in a nested template argument list.
fixed build with CUDA 5.5 on arm platforms
added documentation for OpenGL interoperability
Made xls-report.py use global properties in XML files.

Now it can determine, without looking at the file name, both the module
name and the configuration name (the latter with a little help from the
configuration file).
Made Collector render property sets as dicts instead of tuples of pairs.
Wrote relevant docs.
Build with dev release of TBB enabled.
Media Foundation based VideoCapture improved

Code formating fixed;
GrabFrame method implemented correclty.
Media Foundation-based VideoWriter added
Media Foundation-based VideoWriter improvements.

FourCC parameter handlig added;
Smart pointers instead SafeRelease call;
Windows RT support (vertical mirroring).
VideoCapture for video files implemented.

Set and Get methods are not implemented;
Camera based video capture is broken due to modifications.
Media Foundation camera capture fixed.

Camera-based VideoCapture updated to fit changes in ImageGrabber from prev
commit
Media Foundation-based code refactoring.

I* + SafeRelease -> ComPtr.
Multiple Media Foundation video i/o fixes.

Video i/o tests enabled for media foundation;
Negative stride support added to VideoCapture;
Error handling improved, dead lock in case of playback error fixed;
Some code refacotring done.
add "-c" for cpu ocl mode in perf tests
fix stereobm crash on some cpu ocl
fix moments
Media foundation video i/o fixes.

Bug in Video for Windows capture init fixed;
Media Foundation based capture finalization fixed;
Highgui tests for video i/o updated.