fix NPE in Locator.hashCode()
Sometimes, two reads can happen in less than 5 milliseconds
Merge pull request #153 from gdusbabek/avoid_null_in_locator_hashcode

fix NPE in Locator.hashCode()
Fix assert so that tests pass on openJDK6 (bug in ArrayBlockingQueueImplementation in openJDK6)
Merge pull request #154 from lakshmi-kannan/bf_build_fix

Sometimes, two reads can happen in less than 5 milliseconds
Add multi-fetch support to changelog
Merge pull request #156 from lakshmi-kannan/add_multi_fetch_to_CHANGES

Add multi-fetch support to changelog
Merge branch 'master' into preag_metrics_and_rollups