Drop CvModule and cvSetMemoryManager
Move C structures wrappers from core.hpp to core_c.h

Also move RTTIImpl class to the only usage
Move C++ basic structures to separate header and inverse dependency from C API

cv::Complex, cv::Point_ and cv::Point3_ are moved.
Move cv::Size_
Move cv::Rect_
Move cv::RotatedRect
Move cv::Range, cv::KeyPoint and cv::DMatch
Move most of the traits classes out of core.hpp
Move cv::Scalar_ to types.hpp
Move cv::Matx and cv::Vec to separate header
Implementation of cv::Matx and cv::Vec is almost moved to matx.hpp
Norms are moved out form operations.hpp
Move implementation of C++ container classes to types.hpp
Move cv::fastMalloc, cv::fastFree and cv::Ptr out of core.hpp
Rename mat.hpp
Move cv::TermCriteria out of core.hpp
Move cv::Mat out of core.hpp
Completely separate C and C++ API of OpenCV core