Completion date selection added via datepicker

Datepicker will show on hover over the TD with the checkbox to complete.
When a date is selected, that date will be the completion date.
Handling display on hover via CSS, should be faster
Adding 1s delay before datepicker is shown
Datepicker won't hide behid properties now
Adding datepicker ending to waiting-fors
Actions can be completed from the Weekly Report
Waiting-fors can be completed from the weekly report
Projects can be completed from weekly report