The call to rand()/random() is now a call to (unsigned)cv::theRNG().

Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>

 - explicitly turning OCL off since WinRT does not support it
 - fixing macro definitions in core/ocl.cpp
Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>

Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>

Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>

Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>

Added build script to automate generating, building and installing OCV for WinRT, WindowsPhone 8, WindowsPhone 8.1. Added readme and .bat script wrapper. Added standalone script to build and install pre-generated projects.
Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>

- Substituted HAVE_WINRT with WINRT
- Fixed compilation issues in ocl.cpp and parallel.cpp
- Fixed compiler issue for WP8: "C2678: binary '+' : no operator found which takes a left-hand - Fixed gitignore
- Added #ifdef HAVE_OPENCL to remove compiler warnings in ocl.cpp
- Used NO_GETENV similar to '3rdparty\libjpeg\jmemmgr.c;
- Added ole32.lib for core module (for WindowsStore 8.0 builds)
- Made OpenCV_ARCH aware of ARM
Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>