Allow using "test" as and environment name

Author: Sandro Santilli

app.js

@@ -13,7 +13,7 @@ var _ = require('underscore');
 
 // sanity check arguments
 var ENV = process.argv[2];
-if (ENV != 'development' && ENV != 'production') {
+if (ENV != 'development' && ENV != 'production' && ENV != 'test') {
   console.error("\n./app [environment]");
   console.error("environments: [development, test, production]");
   process.exit(1);