piwik/piwik — pull request #263 by datamints (2014-04-24 14:26:33+00:00)
Title: Added possibility to modify twig templates in own theme.

Theme templates can be overridden by placing twig-templates of the same name in plugins/[theme]/templates.
Plugin-templates can be overridden by placing twig-templates of the same name in plugins/[theme]/templates/plugin/[plugin]/

It would be great if this could be included in upcoming piwik versions as it improves theming a lot