Added site name to the settings.py sample file.
Removed hardcoded site from notegen.py, now pulling from settings.

Conflicts:
	main/settings.py
Merge branch 'neurostars.org-develop-removehardcode' into neurostars.org-develop
Corrected a wrong string.
Made getting site name safer for deployment - now falls back to domain name if not found.
Merge branch 'neurostars.org-develop-catchname' into neurostars.org-develop
Merge pull request #21 from flinz/neurostars.org-develop

Neurostars.org: Removed hardcoding of site name