Added Weblog FileInputFormat and FileOutputFormat sample code
Revert "Added Weblog FileInputFormat and FileOutputFormat sample code"

This reverts commit ae4bfbdda7c103c8abe8ecd3e7da54b31ca0887c.
Revert "Revert "Added Weblog FileInputFormat and FileOutputFormat sample code""

This reverts commit 555fac2597205fe13e3e12126e8de09ebc93ce6d.