Fix bug where factories would generate indentical values each time
Add seed data
Add categories to routes
Move Faker and FactoryGirl to all environments
Remove usersnames from user factory
Add markup to posts show
Add a search-form partial
Make category show page filter posts if search query present
Fix bugs in search form and add form to category show view
Add integration tests for search feature
Make searches case insensitive
Refactor searching for tidier urls
Fix broken query for multiple keywords
Add guest account to seeds
Add minimum and maximum price searching
Fix bugs in searching code