Added request received time and request execution start time to command processors.
Added request received time and request execution start time to http processors.
Extracted getEventBuilder to interface.
Added request received time and request execution start time to Thrift Processor.
Added logging of Request Received and Execution Start Time.
Removed old methods.
Added RequestSentTime to ServiceProxyEvent and published it in Command Processor.
Merge pull request #19 from amanhigh/master

Added Request Sent,Recieved & Execution time to Published events and logged using Request Logger.