Issue 2727042: Making AccelHandler.fetch() public

[Gagandeep singh]

Reviewers: *...@shindig.apache.org*

Description:

Please review this at http://codereview.appspot.com/2727042/

Affected files:
  M
java/gadgets/src/main/java/org/apache/shindig/gadgets/servlet/AccelHandler.java

Thanks
Gagan