Fixed classroom availability (middle column):
Changed openCloseArr in helper_functions for classrooms to be blanketed for the following cases:
Mon-Thurs open 8am-11pm, closed otherwise
Friday open 8am-6pm, closed otherwise
Sat/Sun closed all day
This blanket schedule may not work for holidays
Changed "Open" for Classroom B and C to "Open to Drop-ins"
Changed availability variable to an integer to support 3 cases:
0 = closed
1 = open to drop-ins
2 = class-use only
Changed date format from "H:m" to "H:i" (m == month, i == minute. previous programmer error)

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Fixed Group Study Spaces (left column):
Changed name of column to "Group Study Spaces"
Added new links: "Reserve a Space at Powell", "Reserve a Space at YRL"
Redesigned the display on available to show next 30, 60, 90, and 120 min slots using a table
Light font with green background
Changed some underlying functionality to continually search within a 24 hour time frame for the earliest possible reservation

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Changed right column from diplaying which laptop has the most laptops to
simply displaying the # of laptops available at both Powell and YRL