Do not record execution duration in the case of a timeout as it may
override the duration stored previously by the timer tick
Merge pull request #194 from neerajrj/nonblockinghystrixnj

Do not overwrite user thread duration in case of timeouts
[Gradle Release Plugin] - pre tag commit:  '1.3.8'.
[Gradle Release Plugin] - new version commit:  '1.3.9-SNAPSHOT'.
Version 1.3.8