Added a ThreadSleep to the JSON service to illustrate a longer compute time.
Added a ThreadSleep to the JSON service to illustrate a
longer compute time.

pilbender/dojoExample,pilbender/dojoExample,pilbender/dojoExample,pilbender/dojoExample,pilbender/dojoExample,pilbender/dojoExample,pilbender/dojoExample,pilbender/dojoExample,pilbender/dojoExample