Update to GSoC Poposal, Signal Analysis and Visualization Tool

[Detlef_R]

I got some good comments and feedback on my GSoC proposal. I updated it
and
it is available here:

https://docs.google.com/document/d/1D4L2mfbuubQiiPQimguDsTGT_SVz831eUa3NVN8Kvqg/edit?usp=sharing

Thanks,
Dean