remove 'policies' heading from subscription page
show appropriate copy when user has no policies
add a fun subheading that points to value
add link to all policies page
simplify copy structure when there are watched policies
add basic text block page layout
add propper meta tags for Your Subscriptions
add coloured header style
add compact list style to watched policies list
simplify reference to poliy page
make copy appropriate for the count of watched policies
keep footer in view when the section header is shown on  a short page

(scss only)
Merge pull request #972 from openaustralia/subscriptions_page

Subscriptions page