Implement basic image cropping solution

Created by: Tirokk

Authored by vardyb Sep 21, 2019 Merged Oct 14, 2019

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#1466 (closed)

• co-authored-by: mattwr18 mattwr18@gmail.com

Pullrequest

Adds the ability to crop an image when uploading:

Issues

• relates #1466 (closed)

Todo

• Improve interface so not full screen?
• Look at building tests