1.add time filter for log
2. add timeHelper test
3. add related reference
1. simply timeToLong covert logic
2.fix the test
3.update the reference in log page
1. remove minute filed for simplicity
2. modify reference in log page
1.remove all logic for flexible timing input
2. rename timeTaken in inner class to timing
3.update reference in adminActivityLogPage
rename inner class boolean type attributes
[2271]admin can filter log by timeTaken

fixes #2271
Merge branch 'master' into AccessControl