Add netty submodule and netty based protocol.
Add basic validation to CopyCatConfig arguments.
Refactor log protocol to use append-only log entries for snapshotting and snapshot replication.
Add buffering of log entries in the file log.
Only clean the buffer for every 100 entries.
Don't store entry pointers for better performance since removeBefore and removeAfter calls should be infrequent.
Properly parse entry indices by delimiter in file log.
Fix double assignment to lastIndex in file log.
Clean and prepend snapshot entries to logs.
Fix bad variable in array copy.
Remove unused takeSnapshot method.
Ensure no-op entries properly increment last applied.
Ensure leader safety by stepping down if two leaders exist in the same term.
Fix merge conflicts.
Update README documentation.
Support injection via bean properties.
Document netty TCP protocol classes.
Add additional Netty TCP options.
Use Object correlation IDs in Vert.x TCP client.
Update README documentation.