Added features selections and room availability checking

-Added the missing lakeview option
-Added missing options from summary and confirmation dialogues
-Fixed being able to type into date selectors
-Set minDate for the check out date to ensure non-negative time
-Set default values to be selected on load
-Forced confirmation and summary dialogues to update with values on
startup so that they no longer appear empty
-Worked on checking if a room is available with given criteria
-Calls php script with all necessary data
-php script queries database for available rooms
-query does not currently work as intended for an unkown reason
-script will then return the room number to the first available room
matching the search criteria