Mob 1769

How is it connected with the error message saying that the minimum icon size should be 60 pixels?
* [defined size](https://github.com/Wikia/app/blob/MOB-1769/extensions/wikia/WikiaInteractiveMaps/WikiaInteractiveMapsUploadImageFromFile.class.php#L4),
* [message](https://github.com/Wikia/app/blob/MOB-1769/extensions/wikia/WikiaInteractiveMaps/WikiaInteractiveMaps.i18n.php#L101).