add new terms and move old terms
add and remove headers, correct updated at date
update date, small copy change
add period to revised date
Allow user-select.
Merge branch 'ssmith/terms-update' of https://github.com/optimizely/marketing-website into ssmith/terms-update
Use Markdown for large subheader instead of JavaScript.
move old terms notice out of frontmatter
change old terms notice to p tag
Merge pull request #649 from optimizely/ssmith/terms-update

MKT-749 -- Publish new terms for mobile mvp