WT-2228 useless raw compression calls in the case of small or remaindered blocks

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• Closed

WT-2230 multi-split error path uses the wrong page, would likely drop core

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• Closed

WT-2234 Coverity #1339897 and #1339898

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• Closed

WT-2237 Make committed changes visible immediately

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• Closed

WT-2249 Eviction stuck in stress tests

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• Closed

WT-2248 session_close updates the connection's default session information

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• Closed

WT-2243 Don't keep transaction IDs pinned for reading from checkpoints

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• Closed

WT-2244 Trigger in-memory splits sooner

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• Closed

WT-2250 Use SET instead of INCRV for log_buffer_size stat

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• Closed