Issues list items including updates to help pages

Issues list items
fixes issues list items

formats update card form

changes resize point for update card form

styles checkbox on sign in page

sticks footer to bottom of page

corrects spacing on pricing, contact, policies and about us footer pages

adds missing help image for documents and invoices

adds metatags to emails

adds missing closing bracket to VAT feature

adds checkbox to accounts new

adds lines to invoice mailer commented out for checking

experiments with position: sticky for sidebar on iOS

adds structure for news page articles

help pages updates

account cancellation help page

adds new fields to the invoice mailer view

turns off leter opener