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/platforms/maven/opencv/scripts/functions

@@ -0,0 +1,21 @@
+#!/bin/bash
+###############################################################
+#
+# Defines some common functions.
+#
+# Kerry Billingham <contact [At] AvionicEngineers.{com]>
+#
+##############################################################
+majorHashDefine="#define CV_VERSION_MAJOR"
+minorHashDefine="#define CV_VERSION_MINOR"
+revisionHashDefine="#define CV_VERSION_REVISION"
+statusHashDefine="#define CV_VERSION_STATUS"
+versionHeader="../../../../modules/core/include/opencv2/core/version.hpp"
+
+function extract_version() {
+    minorVersion=$(grep "${minorHashDefine}" $versionHeader | grep -o ".$")
+    majorVersion=$(grep "${majorHashDefine}" $versionHeader | grep -o ".$")
+    revision=$(grep "${revisionHashDefine}" $versionHeader | grep -o ".$")
+
+    REPLY="${majorVersion}.${minorVersion}.${revision}"
+}