* adding getCurrentTime method to TimeAgoCalculatorUnitTest in order to always return the same time and avoid problems related to reading date from local system.
adding two methods to TimeAgoCalculator to always return the same date as the current date in order to avoid problems related to reading current time from local host. One of these two methods accepts time zone
* adding getCurrentTime method to TimeAgoCalculatorUnitTest in order to always return the same time and avoid problems related to reading date from local system.
adding two methods to TimeAgoCalculator to always return the same date as the current date in order to avoid problems related to reading current time from local host. One of these two methods accepts time zone
correcting some formattings
adding comments in code to clarify adding of getCurrentTime methods
* reverting changes to ZuulConfig
* adding code for calculating time ago in Java for both version 7 and version 8. The code contains pure java and third-party solutions.
* changing name of test classes to contain UnitTest in order to comply with the rules
* changing TimeGranularity.toMillis to abstract method
BAEL-3912: Changes done for comments
BAEL-3912: Changes done for comments
BAEL-3912: Changes done for comments
BAEL-3912: Changes done for comments
BAEL-3912: Changes done for comments
BAEL-3912: Changes done for comments
