[SNAP 7.x] Changes to load Sentinel-1 products from AWS

Hi, I have done some changes in SNAP code in order to properly load Sentinel-1 products from the S1 AWS bucket without directly downloading a copy to a local folder.

I have commited two pull requests, I am happy if this is useful to SNAP team or any one:

Best regards


Thank you Alvaro, we will have a look. (@adraghici, @lveci)

Excellent, thank you Alvaro!

Thanks to everybody for your comments!