Removed 2013 from footer

Removed 2013 from footer as the current year is pulled through already.
Form created for bids

A form created in  car.php to allow the user to enter their name and
their bid for the given car on the page. This also includes a submit
button.
Added name fields to form inputs, changed car pic

Added name fields to form inputs and tested by using print_r($_POST); in
process-bid.php.

Have also changed the yellow car picture for an actual picture of a
yellow car as it was quite irritating, aquired new image from:
http://www.search-best-cartoon.com/cartoon-cars/cartoon-cars-60.jpg
Query used to insert input data

Query used to insert input data from form to the database in
process-bid.php
Entries are checked for conformity

Error messages are now given if the values given are not correct. If
correct then taken to a success page which gives a success message and
provides a link back to the car page.