e.g. <opencv2/core/core.hpp> become <opencv2/core.hpp>

Also renamed <opencv2/core/opengl_interop.hpp> to <opencv2/core/opengl.hpp>

amplement weidhting according to L. Bourdev and J. Brandt paper "Robust Object Detection Via Soft Cascade"

    - use random from tr1 extension
    - extend cv::Boost