added Dockerfile for OpenCV

src/test/resources/docker/OpenCV/Dockerfile

+FROM python:3.7
+
+RUN apt-get update \
+    && apt-get install -y \
+        build-essential \
+        cmake \
+        git \
+        wget \
+        unzip \
+        yasm \
+        pkg-config \
+        libswscale-dev \
+        libtbb2 \
+        libtbb-dev \
+        libjpeg-dev \
+        libpng-dev \
+        libtiff-dev \
+        libavformat-dev \
+        libpq-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN pip install numpy
+
+WORKDIR /
+ENV OPENCV_VERSION="4.1.1"
+RUN wget https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip \
+&& unzip ${OPENCV_VERSION}.zip \
+&& mkdir /opencv-${OPENCV_VERSION}/cmake_binary \
+&& cd /opencv-${OPENCV_VERSION}/cmake_binary \
+&& cmake -DBUILD_TIFF=ON \
+  -DBUILD_opencv_java=OFF \
+  -DWITH_CUDA=OFF \
+  -DWITH_OPENGL=ON \
+  -DWITH_OPENCL=ON \
+  -DWITH_IPP=ON \
+  -DWITH_TBB=ON \
+  -DWITH_EIGEN=ON \
+  -DWITH_V4L=ON \
+  -DBUILD_TESTS=OFF \
+  -DBUILD_PERF_TESTS=OFF \
+  -DCMAKE_BUILD_TYPE=RELEASE \
+  -DCMAKE_INSTALL_PREFIX=$(python3.7 -c "import sys; print(sys.prefix)") \
+  -DPYTHON_EXECUTABLE=$(which python3.7) \
+  -DPYTHON_INCLUDE_DIR=$(python3.7 -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") \
+  -DPYTHON_PACKAGES_PATH=$(python3.7 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") \
+  .. \
+&& make install \
+&& rm /${OPENCV_VERSION}.zip \
+&& rm -r /opencv-${OPENCV_VERSION}
+RUN ln -s \
+  /usr/local/python/cv2/python-3.7/cv2.cpython-37m-x86_64-linux-gnu.so \
+  /usr/local/lib/python3.7/site-packages/cv2.so