Update "Iaas" to "IaaS" in Backdrop stub data, to match preview
Add stubs for new monthly graph: make appropriate wording changes
Amend wording
Rename slugs and stubs to match <h1> text, as per our new convention
Switch ordering of first two graphs
Convert <br /> tags into separate <li>s
Merge pull request #165 from alphagov/g-cloud-add-monthly-graph

G-Cloud: add monthly graph