Add spec for updating version.
add table name for order/line_item association
fixes #5531
refactor code to follow DRY in zone model
fixes #5532
Update generated robots.txt
fixes #5533
Removes redundant closing li
fixes #5535
Make email field in admin orders#index link to the customer's account page
fixes #5539
Allow for shipment adjustments to be viewed from API

remove un-necessary intro of newline

fixes #5540
Fix optimistic lock to not revert incremented version.
Fix #5530: checkout form error messages not translated in production

Precompile jquery.validation error messages for all locales

Add regression test for #5530

fixes #5530
fixes #5534
Fix payments ordering when choose payment for risk analysis

Spree::Payment has ordering by created_at by default.
When displaying order risk analysis Spree tries to select last payment for order and uses ordering payments by "created_at DESC" and then select first record, but it does not work. So we need either to use reorder or to rely on default ordering.

fixes #5541
Fixes code snipped in preferences.md

It was not closing the block properly.

fixes #5542
HTTP Patch makes direct update_attributes call on Spree::Order

fixes #5544
fixes #5543