#75 Made the search page a get request
#75 Returned the resulting categories as part of the model.
#75 Put the query back in the model.
#75 Updated the layout so we don't have to use /index
#75 Removed index
test
test
#75 Cleanups
#75 Moved the product search to the get method
#75 Removed unused classes
#75 Removed the main query domain object.
#75 Removed a bunch of unused fields.
#75 Some more refactoring of SiteController