Universal Module Definition for use in automated build systems

 UMD (Universal Module Definition) is a common pattern used in javascript
 programming allowing one to write once a loader working in different
 context (server, browser). This loader is compatible with different
 API like RequireJS, AMD or CommonJs.
 .
 This module provides:
  - simple synchronous wrapping of a string
  - return style module support
  - CommonJS support
  - support preventing internal UMDs from conflicting
 .
 Node.js is an event-based server-side JavaScript engine.