Use only jar filename as argument to jar command
Move log lines to trace
Add basic metrics to DistributedStore
Check that the network client doesn't overwrite old values
Remove persistent local store (KayVee will store applied commands in memory)

Resolves #19.
Use reasonable (and explicit) defaults in KayVee example configuration
Update KayVee test-environment configurations
Merge pull request #39 from allengeorge/remove_kayvee_persistence

Remove KayVee persistence.