ecommerce 5.x-3.4

Changes since DRUPAL-5--3-3:

• #163429 remove array_merge as it was stuffing up the keys in the array.
• * Fix issue #80503
• - Fixed issue #163941
• Bug fixed: #165927 Location Settings, Switch weight to pounds but still showing as kilos in product pages
• Bug fixed: #164986 You are the current highest bidder is displayed by default with no bids
• Fix issue #166099
• #168767 - Typo in $txn name, thanks darrenoh
• Hide shipping charge if ec_region is not installed.
• This commit *only* replaces true, false, null with TRUE, FALSE, NULL
• fixed syntax error, see http://drupal.org/node/164986#comment-297713 .
• * Fix security issue in hook_token_values()
• * Fix plain text check in tokens
• Fixed reference counting problems in forms using mail selection widget.
• Added support for viewing list of templates of given types. Add mail link added to bottom of list page.