Make sure the submodules are checked out. This may take a while!
git submodule update --init --recursive
Run pelican once to sort out any configuration issues there may be:
make
When that works, use the following to start a devserver listening at http://localhost:8000:
make devserver
See http://docs.getpelican.com/en/stable/ for general documentation Pelican, used to build the website.