Allow passing urls instead of just file paths to WP_Image_Editor_Imagick::load() and WP_Image_Editor_GD::load() so that attachments requiring URL fopen can be handled.
see #6821
git-svn-id: https://develop.svn.wordpress.org/trunk@22538 602fd350-edb4-49c9-b593-d223f7449a82
* Make test() and supports_mime_type() static.
* Add required_methods argument to get_instance(). Allows requesting an implementation that has certain methods/capabilities.
* Whitespace cleanup
Props markoheijnen
see #6821
git-svn-id: https://develop.svn.wordpress.org/trunk@22510 602fd350-edb4-49c9-b593-d223f7449a82