return error message if no DOMDocument
Allow fields to be updated via XML import by field key for non-templates
Added minimize=1 option to the [formidable] short code
Correctly return fallbacks on a couple deprecated functions

git-svn-id: https://plugins.svn.wordpress.org/formidable/trunk@871387 b8457f37-d9ea-0310-8a92-e5e31aec5664