Github user 1ambda commented on the issue:
https://github.com/apache/zeppelin/pull/2568
@Madhuka Happy to see the icon.
I just searched the license but couldn't find the license. It only says
"free for commercial usage". Could you check it can be used even in opensource?
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https://docs.google.com/spreadsheets/u/1/d/1E8X2_xmJkkoeZwa1HPNG6jT3ytAZlcAgzTDRX0jDF-Q/pubhtml?gid=0&single=true
- http://support.iconfinder.com/quick-guide-to-iconfinder/license-overview---
