[Hart] Fix example places (postcode, spelling)

Add a postcode, and expand "Dr" to "Drive"
[Hart] FAQ changes

Towards https://github.com/mysociety/FixMyStreet-Commercial/issues/478
[Hart] Zoom level 3
[Hart] CSS/HTML/JS tweaks removing Bromley customizations

(noted in tickets:
mysociety/FixMyStreet-Commercial#474
mysociety/FixMyStreet-Commercial#475 )

(Squashed including @stevenday's work:
Adding the hart additions into the main fms.com cobrand's templates,
rather than building off bromley's weirder set up, so that we get things
like a full screen map for free

Switch templates to put navigation in footer, as FMS.com does)
[Hart] Move 'Powered by' banner into main content

This will mean we don't have to clear is in css, and we then don't break the map
[Hart] substitute blue tab for green in mobile view
[Hart] remaining HTML/CSS changes for large map

Fixes by @stevenday
[Hart] move site-logo scss to one place
[Hart] header fixes
[Hart] fix jagged green box on mobile view

On mobile, the default brand doesn't have the box extend to the
"locate me automatically", so we use that same behaviour, setting
the hart primary box only on media query.
[Hart] fix recent photos box in Local Alerts
[Hart] footer work including social media icons
[Hart] fix alerts page width on desktop view
[Hart] make small logo transparent
[Hart] mobile header and images
[Hart] fixes restraining mobile view to max 100%

including hiding the footer on mobile view.
[Hart] fix display of logo on desktop
[Hart] footer and header fixes

with steve's help - fix header and footer on desktop and mobile
[Hart] message warns if problem sent to HCC

Should alleviate https://github.com/mysociety/FixMyStreet-Commercial/issues/481
However, note that if the user is already logged in, they won't be
stopped at this page.
[Hart] remove box shadow