Clone this repo to get ready-to-use Floxim instance (with installer, demo site and everything). Floxim itself comes as submodule, so to set up demo site to /var/www/mysitename.com you should do:
cd /var/www
git clone https://github.com/Floxim/floxim-demosite.git mysitename.com
git submodule init
git submodule update