feat: 切换后端至PaddleOCR-NCNN，切换工程为CMake

1.项目后端整体迁移至PaddleOCR-NCNN算法，已通过基本的兼容性测试
2.工程改为使用CMake组织，后续为了更好地兼容第三方库，不再提供QMake工程
3.重整权利声明文件，重整代码工程，确保最小化侵权风险

Log: 切换后端至PaddleOCR-NCNN，切换工程为CMake
Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c

3rdparty/opencv-4.5.4/samples/java/clojure/simple-sample/project.clj

@@ -0,0 +1,14 @@
+(defproject simple-sample "0.1.0-SNAPSHOT"
+  :pom-addition [:developers [:developer {:id "magomimmo"}
+                              [:name "Mimmo Cosenza"]
+                              [:url "https://github.com/magomimmoo"]]]
+
+  :description "A simple project to start REPLing with OpenCV"
+  :url "http://example.com/FIXME"
+  :license {:name "Apache 2.0 License"
+            :url "https://www.apache.org/licenses/LICENSE-2.0"}
+  :dependencies [[org.clojure/clojure "1.5.1"]
+                 [opencv/opencv "2.4.7"]
+                 [opencv/opencv-native "2.4.7"]]
+  :main simple-sample.core
+  :injections [(clojure.lang.RT/loadLibrary org.opencv.core.Core/NATIVE_LIBRARY_NAME)])

3rdparty/opencv-4.5.4/samples/java/clojure/simple-sample/src/simple_sample/core.clj

@@ -0,0 +1,16 @@
+;;; to run this code from the terminal: "$ lein run". It will save a
+;;; blurred image version of resources/images/lena.png as
+;;; resources/images/blurred.png
+
+(ns simple-sample.core
+  (:import [org.opencv.core Point Rect Mat CvType Size Scalar]
+           org.opencv.imgcodecs.Imgcodecs
+           org.opencv.imgproc.Imgproc))
+
+(defn -main [& args]
+  (let [lena (Imgcodecs/imread "resources/images/lena.png")
+        blurred (Mat. 512 512 CvType/CV_8UC3)]
+    (print "Blurring...")
+    (Imgproc/GaussianBlur lena blurred (Size. 5 5) 3 3)
+    (Imgcodecs/imwrite "resources/images/blurred.png" blurred)
+    (println "done!")))

3rdparty/opencv-4.5.4/samples/java/clojure/simple-sample/test/simple_sample/core_test.clj

@@ -0,0 +1,7 @@
+(ns simple-sample.core-test
+  (:require [clojure.test :refer :all]
+            [simple-sample.core :refer :all]))
+
+(deftest a-test
+  (testing "FIXME, I fail."
+    (is (= 0 1))))