make --no-color option available

lib/cmd.js

@@ -66,6 +66,7 @@ Cmd.prototype.run = function() {
   .option('-b, --host [host]', 'host to run the dev webserver (default: localhost)')
   .option('--noserver', 'disable the development webserver')
   .option('--nodashboard', 'simple mode, disables the dashboard')
+  .option('--no-color', 'no colors in case it\'s needed for compatbility purposes')
   .description('run dapp (default: development)')
   .action(function(env, options) {
     self.Embark.initConfig(env || 'development', {