Switch to path.py for path handling in find plugin
Fix find plugin when some filenames aren't decodable.
Oops, remove some leftover code.
Fix unicode handling in exists_series. Fix #1462
Fix unicode handling in exists.
Fix unicode handling in exists_movie.
Let requests handle url encoding in download plugin. refs #2676
Remove some urllib code from download plugin.
Fix unicode handling in listdir.
Make webui launchable again. (though still not work properly)