FACES-1999 Render all component scripts within a single AUI().use() sand...

...box within ajax requests
**Note:** I tried allowing a `LiferayClientScriptImpl` to be created here instead of `ClientScriptImpl`, and that worked. However, it also required using reflection to call `ScriptData.writeTo(HttpServletRequest httpServletRequest, Writer writer)` and doing some `String.replace()`s to get rid of the `<scripts>` written by `ScriptData.writeTo()`.  So it seemed like a much less elegant solution.