DEVCON-2689
DEVCON-2689

added RSS image and feeds to BLOG and PATCH NOTES pages.
bob-erdman/developer-dot,ted-spence-avalara/developer-dot,bob-erdman/developer-dot,ted-spence-avalara/developer-dot,ted-spence-avalara/developer-dot,bob-erdman/developer-dot,bob-erdman/developer-dot,ted-spence-avalara/developer-dot,bob-erdman/developer-dot,ted-spence-avalara/developer-dot