Octane Janitor by ivankio - v0.0 

Developed using OctaneRender for Maya 3.02 - 8.0 Win [ALPHA]
https://render.otoy.com/forum/viewtopic.php?f=109&t=55117

Put the icons on the proper folder - something like:
C:\Users\User\Documents\maya\2016\prefs\icons

The script, drag it and drop it to a shelf as a python script.