[Pig Wiki] Trivial Update of "FrontPage" by ChrisOlston

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  Pig compiles these dataflow programs into (sequences of) map-reduce jobs and 
executes them using Hadoop. It is also possible to execute Pig Latin programs 
in a "local" mode (without Hadoop cluster), in which case all processing takes 
place in a single local JVM.
  
- == %N% NEWS ==
+ == NEWS ==
  
  We are undertaking a complete redesign of the execution and optimization 
framework, including:
     1. new (hopefully cleaner) operator representations at the various layers 
(logical, physical, map-reduce) to facilitate optimization along the lines of 
PigOptimizationWishList, and