Tuning defaults to be more robust
Adding new VerifyLeader internal log type
Starting work on VerifyLeader
Revert "Adding new VerifyLeader internal log type"

This reverts commit 5f9b16667894f622efbd39bd268402aecd2245a0.
Use seperate verifyCh instead of overloading applyCh
Factor quorumSize into a method
First pass at supporting VerifyLeader
Adding tests for VerifyLeader
Make use of information from normal replication
Adding test for single node cluster
Merge pull request #4 from hashicorp/f-safer

Adding `VerifyLeader` command