SERVER-29890 Roll Back to Checkpoint: check supportsRecoverToStableTimestamp() when deciding to use rollback to checkpoint algorithm

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• Closed

SERVER-29899 Roll Back to Checkpoint: Call recovery code from rollback

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• Closed

SERVER-29900 Roll Back to Checkpoint: Control when/how WT checkpoints are taken WRT new timestamps

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• Closed

SERVER-29212 Ensure WiredTiger checkpoints are created at valid timestamps

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• Closed