View number of Searched for items

[MoniMurray]

As a site user I want to be able to view what I have searched so that I can see whether what I want is available in the store and the number of the search results

Acceptance Criteria

• [x] User can Search the store for items available to purchase by Category, Title or Author
• [x] User's search response is a list of items, and the number of the returned items, or a message 'Nothing turned up'"

Tasks

• [x] Task 1: Query the database for Category, Author and Title
• [x] Task 2: Render the returned dataset to the Products template in a list , or a message 'Nothing turned up'
• [x] Task 3: Clear the search input box after each search to enable User make another database query

[MoniMurray]

Used the phrase "0 Products found for ' '" instead of 'Nothing turned up'

[MoniMurray]

Added 'description' field as a search term also