Show number of subscribers on the policy page
replaced text-muted with semantic class
fade back subscriber count (scss only)
add spacing before subscriber count (scss only)
adjust media query showing share links to better fit subscriber count
make type size of share links smaller after subscriber count on small screens
align subscribe button to left margin (scss only)

it is slightly mis aligned
Merge pull request #994 from openaustralia/subscriber-count

Show number of subscribers on the policy page