Added Winston  for logging. Added logging to server.js & options config.json
Added logging to dashboard lib. Cleaned up logging in server.js
History rewrite!
Moved logger to it's own lib, so files can just require it.
Single pass over all source files to use the logger over console.log/error.
Also added strict mode to all source files.
Updated docs for new logging options.
Merge pull request #46 from nodecg/logging

Logging with Winston