remove default value for ssh_keypair_name parameter
remove default value for ssh_keypair_name parameter

pratikmallya/django-clouddb,rackspace-orchestration-templates/django-clouddb,pratikmallya/django-clouddb,rackspace-orchestration-templates/django-clouddb,pratikmallya/django-clouddb,rackspace-orchestration-templates/django-clouddb,rackspace-orchestration-templates/django-clouddb,pratikmallya/django-clouddb,rackspace-orchestration-templates/django-clouddb,pratikmallya/django-clouddb