Add icon to Add-on Issue

Flow
1

I created an add-on called ResponsiveLayout. But i have ran into an issue. When i edit the information of the addon and click upload image and select the image it shows it but when i save the changes the image is never persisted.

Thanks

2

I have the same issue with my addon.

3

https://drive.google.com/open?id=0B6J43MwqUJ6AbV9TUDAzQVM2RTg

Here is a video further showing the issue