Changes 14-01-13 @ 17:44

> Changed [309] and [314] to make N[323-327] possible, making booking
each seat easier.
> N[279] is to make sure that the seats which the user has booked for
friday are not disabled when they are viewing the saturday seating plan.
> N[413-415/439-441] are to diable any seats booked by the customer who
is logged in, if any customer is logged in.
> Added "test1.txt" to test out the branch merge feature of GitHub