Remove calculate-night-working-hours draft flow

Abigail Waraker said:
"We've reviewed this proposed smart answer and decided it's not worth going ahead with it as a tool but to put the information in flat content instead."
Replace ler variables with lel

The lel test is whether the person makes more than the lower earnings limit.
"ler" did not stand for anything meaningful
Merge pull request #1268 from alphagov/rename-lower-earnings-question

Replace ler variables with lel
Merge pull request #1267 from alphagov/remove-night-working-hours

Remove calculate-night-working-hours draft flow
Enforce strict order of factcheck lines for SPL
Merge pull request #1269 from alphagov/stricter-order-for-spl-factcheck

Enforce strict order of factcheck lines for SPL
Marriage Abroad SA - Italy update
Merge pull request #1270 from alphagov/marriage_abroad_october_fact_check_changes

Marriage Abroad SA - Italy update
Marriage Abroad SA - content update
Updating calculate-state-pension smartanswer

Calculate State Pension has been through a robust factcheck. This PR turns the v2 version into a v1 ready to be deployed.
Merge pull request #1273 from alphagov/marriage_abroad_content_update

Marriage Abroad SA - content update
Adding missing data files and updating state_pension_amount_calculator

The 'publish' rake task doesn't know about these additional data files so this adds them. Updaing the calculator file to point to v1 files.
Marriage Abroad SA - Deploy October BAU updates
Merge pull request #1274 from alphagov/publish_state_pension_calculator

Publish state pension calculator smart-answer
Merge pull request #1275 from alphagov/publish_marriage_abroad_october_changes

Marriage Abroad SA - Deploy October BAU updates
Continuity AND lower earnings test needed for earnings and employment
Fix missing additional paternity pay on some birth outcomes
Fix birth cases post 05/04/2015
Merge pull request #1276 from alphagov/fix-final-issues-with-birth-flows

Fix final issues with birth flows
Update to Q4, Outcome  20 because of legislative change