delete winter storms promo
add internet scams promo
update links in promos so they are in paragraphs
Replace the budget promo slot content with tax credits

No image available, so Amy has suggested a styled text CTA (a bit like we do on www.gov.uk/bank-holidays).
Remove aria-describedby + labels, the link text has become sufficiently descriptive that it's not required
Merge pull request #604 from alphagov/homepage-updates

Homepage updates