Session TimeOut after login, tag details and auto hide messages

@shivakrshn49 @akshar-raaj 
1) Added Session TimeOut functionality after the UserLogin. If the browser was in Idle state then the session will expire within the given time (Time was given in the code by developer). It will raise an message "your session has been time out"
2) Added functioanlity for the tag details.
3) JQuery code to auto-hide the messages after login and logout and also after session expired.