This tool permit to upload items to Mediawiki web services.
https://www.mediawiki.org/wiki/MediaWiki

TODO:

* Allow image resizing by a percentage of the initial size
* Add explicit error messages (might require hacking MediaWiki interface)
* Check for local duplicate file names (easy)
* Check for distant duplicate file names (API)
* Check for distant duplicate files (API)
* Write a documentation
* Pre-fill the description in several languages
* Color the categories depending on their existence on the distant wiki (AJAX, API)
* Apply a tag on uploaded images (eg. "Now on Commons")
* Allow editing and deleting wikis
* Allow editing and deleting licenses
* Add a notification zone to tell about problems or if everything is ready
