Update configuration migration script to use correct wsPort for peers

[nazarhussain]

Expected behavior

During the configuration migration from 0.9.x to 1.0.x we did following translations

httpPort = port 
wsPort = port + 1

Same convention should be applied for peers.list[].port means

peers.list[].wsPort = port + 1

Actual behavior

Current implementation is:

peers.list[].wsPort = port

Which is actually the httpPort, so nodes are not connecting over P2P layer.

Which version(s) does this affect? (Environment, OS, etc...)

1.0.0