#93 Color change and File Attachament

[Deren]

It would be good to change the color of font/cell in
week-view or month-view when the current date/time is
greater than booking end date/time
for example, font/cell color is green if current
date/time is less than the End date/time showing the
room booked. and when current date/time crosses the
End date/time, font/cell color changes to red asking
administrator to check the status of the room.

Also, if there is some way to attach the bills while
room is booked, it would be highly supported.