Add hook_oembedprovider_node_result_alter()

I wanted a way to alter the array returned by _oembedprovider_node_provider() so that I could add a thumbnail_url parameter for the media module's browser. Perhaps there is a way to change the the rendering pipeline so a module other than _oembedprovider_node_provider() is used to output the code for nodes, but I could not figure it out.

The attached module creates a new hook so you can alter the $return array. It might have been better to create a more generic hook in _oembedprovider_result(), but I needed the $node object to get passed for my purposes. Here's an example implementation:

function mymodule_oembedprovider_node_result_alter(&$data, $node) {
}