Support events v2 for workflow history (cadence-workflow#1218)

* schema

* fix schema

* Done API

* fix schema to use frozen

* fix api

* use dynamic config for eventsV2

* passing along historyV2

* stash

* stash

* finish startWF

* fix parent

* finish SignalWithStartWorkflowExecution

* Change eventsV2 API for perf improvement

* rewrite start/signalWithStart with new API changes

* remove isNewTree

* fix bug

* Rewrite startWF to go back to original flow

* Add eventStoreVersion

* rewrite eventStoreVersion part

* Done historyBranchs in mutableState

* fix all mutableState update

* Done deleteHistory

* fix getWFHistory

* Add eventStoreVersion and branchToken to idl

* fix idl

* Done getWFHistory

* remove unused code

* Use constant as eventsV2

* add last first eventID

* done ReadHistoryBranch for conflictResolver

* done ReadHistoryBranch for all

* fix import

* reset change for defaultHistoryPageSize

* move eventStoreVersion to replicationTask

* remove eventStoreVersion from event in code

* add schema for replication task for eventsV2

* remove tree_id in mutableState schema

* remove tree_id in mutableState in code

* add eventsV2 replication task dataInterface

* schema for new run replication task

* eventStoreVersion for replicationTask IDL

* done passing along newRunEventStoreVersionToPersistence

* done replicatorQprocessor

* process replication task for eventsV2

* remove unused code

* done persistence for executionInfo

* done persistence for replicationTaks

* fixing tests

* fix schema

* fix schema

* fix all persistence test

* fix getCurrentBranch

* fix all mocks

* fix mutableStatemock

* fix

* fix all build and service/history/conflictResolver_test.go

* fix bug

* fix dc

* fix all dc

* fix service/history/historyReplicator_test.go

* fix build for host tests

* fix typo

* fix linter

* check err

* fix bug