windeployqt for qt4

Porting windeployqt from qt5.9.2 to qt4

compile

1. Clone to Qt4_install_dir/tools/windeployqt4. for example: C:\Qt\4.8.7\tools\windeployqt4
2. qmake
3. nmake
4. you will find windeployqt under Qt4_install_dir/bin. for example: C:\Qt\4.8.7\bin

test

system: windows 10 64bit Qt: Qt4.8.7 32bit vs2010

QJson

clone from https://github.com/eteran/qjson4