Add owner_id field to the Barter model.
Let user accept the offer.
Changed users route to not depend on params.
Added users signout link.
Show historical and active barters on user home.
Show only available items on user home. Hidden items are kept for historical barters.
Removed active field form barter form and set to true in action.
Added the accept button for barters, and changed the action to post.
Merge branch 'accept-offer' into develop