* Set state to invalid after exception
* Add proper locking
* Start background replicating only if in valid state
* Freeze transaction timestamp on replica
* Timeout fixes
* Fix Jepsen run script
* Disable perf checker and enable nemesis
* Add documentation for some chunks of code
* Decrease timeout so main doesn't hang on network partitions too long
* Define replication config for tests
* Add support for final generator
* Add bank test
* Add host name resolution and basic replication setup
* Add timeout support
* Define helper macros for replication tests
* Add nemesis configuration
