Layout improvements

From pivotal (https://www.pivotaltracker.com/s/projects/537859):

Changes:
*Service title and pre-title to same styles as performance platform (same sizes, same smaller size on mobile).
*Service title and pre-title moved to first item on page, followed by logo, followed by metadata.
*Metadata left aligned on page.
*Department logo use narrow version, place right aligned on page.

Low res specific:
*Drop font sizes as per performance platoform
*Drop font size on sub-nav, go to two columns (as per performance platform nav)
*Don't show department logo