* Improve generation of default graphite prefix and add an sanitatization for all graphite prefixes (including warning if a custom name needs to be changed)
* Convert graphite rates to per second
* Code review: make it IPv6 safe
* initial zk leader election commit
* simplify latch states. now able to retry for leader
without creating a new latch
* finished zookeeper client wrapper, added unit tests, moved src files to
different module
* moved sources to node-api
* increase election wait time
* Remove sleep() causing tests to be flaky. Used countdownlatch to sync
* reworked election algorithm; path watcher is re-created right after it triggers
* moved kdocs from implementing class to interface
* remove whitespace
* added isStarted() method to ZkClient
* added a unit test that randomly executes actions on zk clients
* Introducing new certificate hierarchy
* Updated Option 3 - CRL URL inclusion in a correct certificate. Typos fixing.
* Adding Option 4 being the latest iteration after internal discussions and research
* Addressing review comments - round 2
* Move design options into the design document
* Start considering a third option
* Address typos
* Clarify why the hierarchy is important to CRL
* Rework decision to match Mike's suggestions
* Move options back into decision.md
* Refactored documentation in line with design doc standards (#212)
* set network registration poll interval via http cache control header from the server side
* default poll interval to 10 seconds if cache header not found
* address PR issues
* address PR issues
* Fixing serialization issue for the network map signer
* Addressing review comments
* Adding more assertions to the network map test
* Changing assertTrue to assertThat
* Sql setup scripts for Oracle and datasource configuration.
* CashSelection for Oracle.
* Workaround of forbidden distinct for BLOBs.
* ojdbc8.jar driver dependency from Oracle Maven repository, ojdbc6.jar from lib (it's not in Maven repo).
* allow to use random Port in node names and trim it from schema name, remove schema with port numbers from db setup (to cater for new test, non Oracle specific change)
* Removed unnecessary code from ConfigUtilities (non Oracle specific change)
* Removed db integration tests setup for RPCStabilityTest as it doesn't start any nodes
* add cmdline option for network root truststore and password, instead of using node's truststore configuration to avoid confusion.
* revert line auto format
* fix failing integration test
* address PR issue
