Clarify timeout meaning
Clarify timeout meaning

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1533043 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 26659c6e4040834e95f5f8172d6db781b4aefefb
apache/jmeter,ham1/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,ham1/jmeter,etnetera/jmeter,apache/jmeter,apache/jmeter,etnetera/jmeter,benbenw/jmeter,benbenw/jmeter,benbenw/jmeter,apache/jmeter,ham1/jmeter,etnetera/jmeter,etnetera/jmeter,etnetera/jmeter,benbenw/jmeter