joomla/joomla-cms — pull request #5409 by zero-24 (2014-12-12 09:09:10+00:00)
Title: Add method="upgrade" for plugins (editors-xtd, editors, extension/joomla) 

@infograf768

Here the requested changes. for the editors-xtd, editors and extension/joomla plugins. (finder is fine :smile: )