make the Taiwan change to birth
change the postal form urls for birth
add postal return form logic for birth
add russia as postal form country for birth
update registration form url in death
replace D1 download link in death
replace LS01 link in death
fix postal_return_form for death
refactor postal forms as both tools now use the same urls
remove redundant markdown from death
remove redundant markdown from birth
fix the pesky unit tests to reflect changes to calculator
make the new link text for forms accessible
Merge pull request #537 from alphagov/sept_12_updates_to_birth_and_death

Updating Birth and Death tools to link to pages not files - and other stuff