Create Package

Create Windows Installer:
http://nsis.sourceforge.net/Main_Page

Create Deb Package:
http://buildall.wordpress.com/2011/04/25/creating-a-package-deb-in-ubuntu/
http://blog.jonliv.es/2011/04/26/creating-your-own-signed-apt-repository-and-debian-packages/
https://help.ubuntu.com/community/CreateAuthenticatedRepository