set baseURL to process.cwd

Author: guybedford

lib/system.js

@@ -319,7 +319,7 @@
       System.baseURL = href.substring(0, href.lastIndexOf('/') + 1);
     }
     else {
-      System.baseURL = './';
+      System.baseURL = process.cwd() + '/';
     }
     System.paths = { '*': '*.js' };