Configure logging detail

So you can set what you want logged.
Forgot some other config paths

For client plugins.
Don't run a next map vote if there's only one map

to vote for.
Disable RTV too if there's just 1 map

no need for it.
Fixed a major bug in randomising

NS2Stats ELO and the game's skill rank sorting were adding certain
players to the team lists twice, causing imbalanced teams and commanders
to get switched when they're set to ignored.
Merge pull request #195 from Person8880/develop

Vote random fixes and other stuff