now kad inspector features exist on every server that has
kademlia running. likewise, overlay and statdb.
this means kad inspection features are now available on
storage nodes
Change-Id: I343c873552341de13302bfb7a5d79cccc84fc6b8
* add statdb proto and example client
* server logic
* update readme
* remove boltdb from service.go
* sqlite3
* add statdb server executable file
* create statdb node table if it does not exist already
* get UpdateBatch working
* update based on jt review
* remove some commented lines
* fix linting issues
* reformat
* apiKey -> APIKey
* update statdb client apiKey->APIKey