Counter init value is never used

[vjuranek]

Counter init value is never used as CounterService.getOrCreateCounter() calls get() to find out if there's already exists any value for given counter and eventually use this value. However, get() always returns a value. In case counter doesn't exist, it returns 0 and thus init value is actually never used.

Example from CounterServiceDemo which initialize counter to 1
(Counter counter=counter_service.getOrCreateCounter("counter", 1);):

-- view: [A(raft-id=A)|0] (1) [A(raft-id=A)]
[1] Increment [2] Decrement [3] Compare and set [4] Dump log
[8] Snapshot [9] Increment N times [x] Exit
first-applied=0, last-applied=0, commit-index=0, log size=0b

-- view: [A(raft-id=A)|1] (2) [A(raft-id=A), C(raft-id=C)]
-- changed role to Candidate
-- changed role to Leader
-- view: [A(raft-id=A)|2] (3) [A(raft-id=A), C(raft-id=C), B(raft-id=B)]
4

index (term): command
---------------------

[1] Increment [2] Decrement [3] Compare and set [4] Dump log
[8] Snapshot [9] Increment N times [x] Exit
first-applied=0, last-applied=0, commit-index=0, log size=0b

3
expected value: 1
update: 5
failed setting counter "counter" from 1 to 5, current value is 0