Remove DNN demo page from UWP. It is not supported.

Emgu.CV.Example/XamarinForms/Core/App.cs

@@ -101,11 +101,13 @@ namespace Emgu.CV.XamarinForms
                 MainPage.Navigation.PushAsync(new FeatureMatchingPage());
             };
 
-            dnnButton.Clicked += (sender, args) => { MainPage.Navigation.PushAsync(new DnnPage()); };
+            
 
 #if NETFX_CORE
             ocrButton.IsVisible = false;
+            dnnButton.IsVisible = false;
 #else
+            dnnButton.Clicked += (sender, args) => { MainPage.Navigation.PushAsync(new DnnPage()); };
             ocrButton.Clicked += (sender, args) =>
             {
                 MainPage.Navigation.PushAsync(new OcrPage());

Emgu.CV.OCR/Tesseract.cs

@@ -195,7 +195,7 @@ namespace Emgu.CV.OCR
             get
             {
                 String loadDirectory = ".";
-#if NETSTANDARD1_4
+#if NETSTANDARD1_4 || NETFX_CORE
 #else
                 System.Reflection.Assembly asm = typeof(CvInvoke).Assembly; //System.Reflection.Assembly.GetExecutingAssembly();
                 if (!((String.IsNullOrEmpty(asm.Location) || !System.IO.File.Exists(asm.Location)) && AppDomain.CurrentDomain.BaseDirectory != null))

miscellaneous/git-clean.bat

@@ -7,6 +7,14 @@ cd vtk
 git clean -d -f -x "."
 cd ..
 
+cd freetype2
+git clean -d -f -x "."
+cd ..
+
+cd harfbuzz 
+git clean -d -f -x "."
+cd ..
+
 cd opencv
 git clean -d -f -x "." 
 cd ..