Added jQ Datepicker to deadline-date-fields

Also added js-files for timepicker, although not implemented yet
Added footer to design

And a sticky one at that!
Added test-schedule functionality

You can now enter a fee, hourly rate and deadline date, press ”test”
and find out if you have unscheduled time left to do the work
Misc design corrections
Added validation to scheduled_shifts

Scheduled_shifts cannot overlap each other
Possibility to manually add scheduled_shifts

The user can now manually add scheduled_shifts and lock them so they
don’t get deleted when the automatic schedule function is run
Design cleanup for schedule views
Design cleanup for task view

The column to the right is now a separate file called ”info_bar”
Schema file updated
Misc design cleanup