Add console as logging encoding type

[longquanzheng]

What changed?

Add console as logging encoding type

Why?
My hosted cluster can't use JSON format(it will trigger Kibana indexing but our Kibana/ElasticSearch couldn't handle Cadence's fields)

How did you test it?
Testing with my server.

Potential risks

Release notes

Documentation Changes

[coveralls]

Pull Request Test Coverage Report for Build a8aa1d8b-3933-4d92-aed3-dfbb1eb4a7fd

• 3 of 8 (37.5%) changed or added relevant lines in 1 file are covered.
• 38 unchanged lines in 9 files lost coverage.
• Overall coverage decreased (-0.02%) to 56.681%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
common/config/log.go	3	8	37.5%

Files with Coverage Reduction	New Missed Lines	%
service/history/execution/mutable_state_builder.go	2	69.77%
service/history/shard/context.go	2	65.93%
service/matching/matcher.go	2	91.46%
common/cache/lru.go	3	90.73%
service/history/queue/timer_gate.go	3	95.83%
service/history/queue/timer_queue_processor_base.go	4	78.83%
service/history/task/transfer_standby_task_executor.go	4	90.4%
common/persistence/nosql/nosqlExecutionStore.go	5	61.06%
common/persistence/nosql/nosqlplugin/cassandra/workflow.go	13	53.98%

Totals
Change from base Build 47cb9813-871f-4383-8a85-5f77df85fbb6:	-0.02%
Covered Lines:	81005
Relevant Lines:	142914

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💛 - Coveralls