Move diligency table to bottom of page.

Not that useful in most cases, only if you wanted some admin
competition on category entering/checking. Fixes #739.
Tweak summary output on bodies page.

Show more detail of unconfirmed/deleted categories; highlight and warn
if no categories, or if all categories are deleted. Fixes #516.
Couple of tests missing MapIt override.

Looks like Travis doesn't like connections back to itself.
replace Mailman cross-sell with Mailchimp signup form
Validate category name/email/note in admin.

This prevents the creation of a category with a blank name. Fixes #556.
Prevent overhang of admin body categories table.

Group things together more simply. Fixes #738.
Merge remote-tracking branch 'origin/issues/516-body-warning'
Merge remote-tracking branch 'origin/issues/739-move-diligency-table'
[FixMyStreet.com] Add information for councils.

Fixes #765.
Update links to point to new /council page.
EastSussex: set is_two_tier

I appear to have left this commented out.  Comments from both ESCC
and a district council (Wealden) on same day seem to point to this
as root of error.
ESCC. bodies_clause specialisation

patch for https://github.com/mysociety/FixMyStreet-Commercial/issues/603
more generic fix to follow
[fixmystreet.com] correct pricing for back end scoping
resolved conflict, took changes from master
Copy changes, add new FMS deploys