Allows roundstart cyborgs to select their own name

But only if the option is enabled in the server config.

Credit to Neerti for originally coding this.
Answered Aran's very good question
config defaults to off now

Not that it matters in the end this is literally ultra nitpicking
Part II of last commit
Merge pull request #3114 from Ikarrus/borgname

Allows roundstart cyborgs to select their own name