The icons are mostly derived work from other icons. As such they are
licensed accordingly to the original license:

    Eclipse: Eclipse Public Licence
    Nuvola: LGPL
    Crystal: LGPL
    OOo: LGPL
    GV: Gael Varoquaux: BSD-licensed

Unless stated in this file, icons are work of enthought, and are released
under a 3 clause BSD-like license.

Files and orginal authors:
----------------------------------------------------------------
                     add_filter.png | Nuvola
                     add_module.png | Crystal
                      add_scene.png | Crystal
                     add_source.png | Crystal
                            add.ico | GV
                    help_action.png | GV
                             m2.png | GV
                            mv2.ico | GV
                    preferences.png | Crystal
