https://angela.zipwhip.com/issues/14849 Add GsonUtil getInt similar to getLong
rename class
 https://angela.zipwhip.com/issues/14856 Client parsing default timestamp to current time when the timestamp is missing from json
clean up
rename executor
Add default gson.
Rename event to be more clear.
https://angela.zipwhip.com/issues/14868 zipwhip-common-util change Factory to not extend Serializable
https://angela.zipwhip.com/issues/14869 SignalObserver to make it easier to digest signals via an observer
Fix unit tests.