Added time function to time the total execution time of other functions.



git-svn-id: https://svn.apache.org/repos/asf/ace/trunk@1574549 13f79535-47bb-0310-9956-ffa450edef68
Reverted accidentally checked in change.



git-svn-id: https://svn.apache.org/repos/asf/ace/trunk@1574552 13f79535-47bb-0310-9956-ffa450edef68