Move concurrency package into zipwhip-common-util from zipwhip-lib.
Move to slf4j.
Addition of apache common-pools.
Move pool utiliites to zipwhip-common-util from zipwhip-lib.
Move SelectionStrategy to zipwhip-common-util from zipwhip-lib.
Rewrite converter. None of the implementations support bi-directional conversions.
Move ObjectCallback to zipwhip-common-util from zipwhip-lib.
This callback is used in our JMS processing handlers.