Factor out default_settings path

Conflicts:
	snf-common/setup.py
make confs
design doc
cyclades: Move settings under synnefo.cyclades.settings
cyclades: Update settings references
admin: Move settings to synnefo.admin.settings
admin: Update settings references
gtools: Move settings to synnefo.ganeti.settings
gtools: Update settings references
cyclades: wrap django lib api calls
pithos: wrap django lib api calls
remove ASTAKOS_AUTH_URL from api_method
Fix AMQP settings usage
move POLL_LIMIT usage in cyclades
cleanup snf-manage
remove conf making from settings mng command
define some astakos settings
print unknown settings for debugging
deply: cleanup some astakos settings
deploy: cleanup pithos backend setting