Add Terms of Use link and adjust others
Add Terms of Use link and adjust others

* Shorten "Privacy Policy" to "Privacy" (we're short on space)
* Use https scheme in pivotal.io links to avoid redirects

[#127911405]

rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website