Adjust casing on EJS template and bump version

In order to be consistent with the GOV.UK JavaScript styleguide, capitalisation
has been changed on the EJS variables being used.
We are using partials for actual blocks of HTML and variables for CSS classes: make
this consistent for EJS templating.
Bump version to 0.11.0
Merge pull request #118 from camilleldn/ejs_and_bump

Adjust casing on EJS template and bump version