ubercart 7.x-3.9

This is a maintenance release for Ubercart 7.x-3.x, containing bug fixes but no new features. Users are also encouraged to test out Ubercart 8.x-4.x for Drupal 8 and let us know what they think!

Changes since 7.x-3.8:

• #2625346 by Ayesh: Deleting an order does not delete associated field values
• Remove double semi-colons.
• #2621166 by heykarthikwithu: Unreachable statement at theme_uc_checkout_pane_cart_review($variables)
• #2608898 by heykarthikwithu, longwave: Documentation improvements in the code base
• [#2597009]: Warning when saving address format in PHP 5.5.
• Fix signature of test setUp methods.
• #1533286 by nerdcore: Add support for Variable module
• Remove CVS $Id$ tag from Iran cif file.
• #2265875 by longwave: Drupal 7.27+ breaks attribute ajax display price calculations for anonymous users
• #2533192 by tinker: Duplicate key payment_received when reinstalling uc_payment
• New URL for USPS Click-N-Ship.
• [#2505795]: Cart Links test failures in testbot.
• Comment out assertLinkByHref in Cart Links test to make the tests run green again. This will be put back in after I figure out what the testbot problem is.
• #2501121 by joelstein: Cannot access admin/store with "administer store" permission
• Cyprus .cif had wrong line terminators in address format.
• #2235543 by Ben Coleman, TR: PDOException when deleting a Role Assignment Product Feature on PostgreSQL
• #2458727 by stefan.r: Remove css that was used to correct a core problem that has now been fixed.
• When adding a new textfield attribute, we shouldn't be redirected to add options page because a textfield has no options.