Add more details to documentation for timeShift function
Add more details to documentation for timeShift function

Contributed by Mariusz (mawasak at gmail.com)

Closes #672

ham1/jmeter,ham1/jmeter,apache/jmeter,apache/jmeter,ham1/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,apache/jmeter,apache/jmeter