Implemented timers for EventLoop

Added the following functios:

EventLoop.after(seconds) using.. -- executes closure once
EventLoop.every(seconds) using.. -- executes closure periodically

Both the functions above return an id (number).

EventLoop.cancel(id) -- cancels execution of a timer
Removed executable bit from consoleserver.fe module
Implemented sync_post for servers wishing to process post requests in a single stage