Extend CategoryQuotationResources class

[Wom-ba-tron]

• Within the showQuoteBasedOnCategory(@QueryParam("category") String category) method
• Using the CategoryQuoteDAO class, obtain a list of quotations
• Randomly select a quotation from the list of quotations returned from the query
• If the database query throws an error create a quote object and set the quotation with the error message and the category with the error title e.g. SQL exception
• Return the selected quote object, or the quote containing the error to the invoker.