Add user auctions page
Add auction start time property
Rename app to PennyAuction
Add auction statuses
Separate translation file to rails and app parts
Fix input fields width on auction form
Move feature specific helpers to acceptance_helper.rb
Add bid model
Add basic auction bidding functionality
Test fixturea refactoring: make default image-product-auction bunch
Enable bidding only on active auction
Add user auction bidding
Add auction bids listing. User can't bid twice
Add admin/user mode switcher on user panel
Add prices to auction bids listing