fix(config): apply CLI logger options as soon as we can

We use logging even before parsing the config file - for instance to show the path of the config file that is actually being loaded. At that time, we can't configure the logger based on the config file, but we can already apply the command line arguments.

lib/server.js

@@ -171,8 +171,9 @@ var createSocketIoServer = function(webServer, executor, config) {
 
 
 exports.start = function(cliOptions, done) {
-  // apply the default logger config as soon as we can
-  logger.setup(constant.LOG_INFO, true, [constant.CONSOLE_APPENDER]);
+  // apply the default logger config (and config from CLI) as soon as we can
+  logger.setup(cliOptions.logLevel || constant.LOG_INFO,
+      helper.isDefined(cliOptions.colors) ? cliOptions.colors : true, [constant.CONSOLE_APPENDER]);
 
   var config = cfg.parseConfig(cliOptions.configFile, cliOptions);
   var modules = [{