change how we declare empty slides (#109)
change how we declare empty slides (#109)

https://github.com/golang/go/wiki/CodeReviewComments#declaring-empty-slices
rthallisey/ansible-service-broker,eriknelson/ansible-service-broker,shawn-hurley/ansible-service-broker,jmontleon/ansible-service-broker,rthallisey/ansible-service-broker,eriknelson/ansible-service-broker,johnkim76/ansible-service-broker,jwmatthews/ansible-service-broker,jmontleon/ansible-service-broker,johnkim76/ansible-service-broker,jwmatthews/ansible-service-broker,johnkim76/ansible-service-broker,rthallisey/ansible-service-broker,jmontleon/ansible-service-broker,shawn-hurley/ansible-service-broker,jwmatthews/ansible-service-broker,eriknelson/ansible-service-broker,shawn-hurley/ansible-service-broker