Standardise voterandom plugin

Many things were using ancient methods that have long been replaced.
Better command help/chat commands
Cache server information queries

So my web server isn't spammed with requests by people open/closing the
menu lots of times...
Minor code cleanup
More cleanup
Little Cleanup
removed unneeded StringFormat
Update badges.lua
Merge pull request #351 from BrightPaul/patch-13

Little Cleanup
Remove unused locals

Lots of Notify and some Encode/Decode that aren't used anymore.
Hopefully Steam browser info fix

Quite simple really, not at all to do with the engine as others thought.
Slightly better fix
Merge pull request #353 from Person8880/develop

UWE bug fix, and some cleanup