Added comments to MNIST configs

CNTK.sln

@@ -761,6 +761,8 @@ EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ImageReader", "Source\Readers\ImageReader\ImageReader.vcxproj", "{9BD0A711-0BBD-45B6-B81C-053F03C26CFB}"
 	ProjectSection(ProjectDependencies) = postProject
 		{F0A9637C-20DA-42F0-83D4-23B4704DE602} = {F0A9637C-20DA-42F0-83D4-23B4704DE602}
+	EndProjectSection
+EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Simple2d", "Simple2d", "{D456FA9C-A51C-48B9-87DE-0F7D8A910265}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "MultiGpu", "MultiGpu", "{C86A6572-DE7A-4EBB-ADD0-A6C4906D46A3}"

Examples/Image/MNIST/Config/01_OneHidden.cntk

@@ -77,6 +77,8 @@ test = [
     
     reader = [
         readerType = "UCIFastReader"
+        # To get the data (Train-28x28.txt) please run `python mnist_convert.py` 
+        # from the 'AdditionalFiles' folder. See REAMDE.md for details.
         file = "$DataDir$/Test-28x28.txt"
         
         features = [

Examples/Image/MNIST/Config/02_Convolution.cntk

@@ -49,6 +49,8 @@ train = [
     
     reader = [
         readerType = "UCIFastReader"
+        # To get the data (Train-28x28.txt) please run `python mnist_convert.py` 
+        # from the 'AdditionalFiles' folder. See REAMDE.md for details.
         file = "$DataDir$/Train-28x28.txt"
         
         features = [

Examples/Image/MNIST/Config/03_ConvBatchNorm.cntk

@@ -45,6 +45,8 @@ train = [
     
     reader = [
         readerType = "UCIFastReader"
+        # To get the data (Train-28x28.txt) please run `python mnist_convert.py` 
+        # from the 'AdditionalFiles' folder. See REAMDE.md for details.
         file = "$DataDir$/Train-28x28.txt"
         
         features = [