If running `analyze.py` for the first time the dependency downloading
output would be part of the json, and the command would fail due to
invalid json data.
Added `&>/dev/null` on git commands to suppress their output
Fixed the symbolic link creation that pointed to non existent path. `ecdsa` folder moved to `src/ecdsa`
Since it is impossible to make openssl command line tool send
TLSv1.3 Client Hello message, add a python based tool to perform
TLS version intolerance scan
