OpenElec download link mo more valid

[michelepagot]

...and inition script no so robust against it (at least the GUI does not receive any clear error).
Script use link as:
curl -L -k http://releases.openelec.tv/OpenELEC-imx6.arm-6.0.3.img.gz --progress

But result is:
`

Not Found

The requested URL /OpenELEC-imx6.arm-6.0.3.img.gz was not found on this server.

`

Promising script on Openelec web site seems: http://releases.openelec.tv/OpenELEC-imx6.arm-8.0.3.img.gz