Merge pull request #1206 from JeffPyeBrook/pr-visitor-meta-backwards-compatibility

Handle case where visitor meta stored by prior releases of WPeC
Merge pull request #1209 from JeffPyeBrook/pr-1208-variable-defined-check

Make check for localized variable more specific and use a string for the returned type
We no longer hide the row that contains the shipping region, we operate on the specific control
* added some js to handle case where someone has customized the checkout form theme file
* removed the adding of that attribute on the checkout form