Register slops if async writes fail due to quota

Fix Async puts to succeed even if quota exceeded

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Adding unit test for Quota failed Parallel puts

Fixing unit tests for Async write quota failures
Updating PipelineRoutedStats JMXGetters for QuotaExceededException
And minor code chagnes
Releasing Voldemort 1.8.10
Adding new rocksdbjni jar and librocksdbjni.so