updated kryo version
added debug logging
made startZkTestServer() method package level access
code formatting
added support for gauge merge functions; broke out counter, histogram, meter, timer merge methods into MergeFunction objects
added support for gauge merge functions; broke out counter, histogram, meter, timer merge methods into MergeFunction objects
code formatting
removed unnecessary old code for bootstrapping ZK server since that is now built into Reign
added logging
code formatting
made serialization of gauges more generalized
adjusted log levels; cleaned up getState method
code formatting and cleaned up to use new code examples
adjusted for gauge merge function
casting value to Integer for gauge where necessary
new MergeFunction implementations for Gauge data
MergeFunction interface
merge functions for boolean gauges