Finalize Win Build including instructions and setup script

frontend_qt/howto_build_qzint_using_msvs2015.txt

@@ -1,8 +1,11 @@
 Harald Oehlmann
-2016-02-28
+2017-01-18
+
+(does not run jet, NO_PNG mandatory as png/zlib not in 64 bit)
 
 How to build qzint.exe using:
-- QT 5.7 installed in C:\qt5
+- QT 5.7 installed in C:\qt\Qt5.7.1
+  32 bit (use the offline installer and the 32 bit package)
 - MS Visual Studio 2015 (VC12)
 
 Folder structure:
@@ -13,10 +16,15 @@ Folder structure:
 - zlib128.zip unzipped in folder $ZH\..\zlib
   -> $ZH\..\zlib\zlib.h exists
 
+Build libpng:
+Open $ZH\..\lpng\projects\vstudio with VS2015 gui and convert the project
+Copy the zlib source as required by the make file (in my case: zlib-1.2.8)
+Build targets "Release Library" for zlib and libpng.
+
 Build zint
 
 - Start in the start menu: "VS2015 x64 Native Tools-Eingabeaufforderung"
-- set PATH=C:\Qt5\5.7\msvc2015_64\bin;%PATH%
+- set PATH=C:\Qt\Qt5.7.1\5.7\msvc2015\bin;%PATH%
 - cd $ZH
 - cd backend_qt
 - qmake backend_qt.pro
@@ -28,3 +36,10 @@ Build zint
 - nmake clean
 - nmake release
   -> qzint.exe is in the release folder
+
+For me, it only runs, if I add the following files in the folder (from the QT bin folder):
+Qt5Core.dll
+Qt5Gui.dll
+Qt5Widgets.dll
+
+InnoSetup Studio may be used to build the setup file.