Adding prototypes for scheduling tasks.
Updated to use timezones, and managing intervals.
Delaying the tasks for the scheduler appears to work.
Routine object now can be used to generate conveniet routines.
Moved to adding tasks in a batch. Old interface left for compatibility.
Trying to get routine adding tested.
Example routine produces more-or-less the expected behaviour.
Added stuff on DailyRoutine to the README.
Merge pull request #18 from hawesie/hydro-devel

Added daily routine to executive