qgis/QGIS — pull request #1736 by mbernasocchi (2014-12-14 15:14:58+00:00)
Title: added QgsMessageBar::SUCCESS

Added a new level of messages in QgsMessageBar for succesful messages. they are colored with the bootstrap success green (background #dff0d8; border #8e998a) reusing the mActionCheckQgisVersion.png icon.
@NathanW2 can you have a look? thanks