How to create your installer:

1 - Download and install NSIS from: http://nsis.sourceforge.net/Download
2 - Copy your release binaries inside this directory ("../Ginga/").
3 - Copy the ginga icon file "icon.ico" to "../Ginga/" (if it doesn't exist)
4 - Copy the file "../COPYING" to "../Ginga/" (if it doesn't exist)
5 - Update Ginga version editing the file ginga.nsi
6 - Compile the file "ginga.nsi" with NSIS (right click on ginga.nsi and left click on Compile popped-up menu)