add the claim mechanism

app/views/claims/_claim_item.json.jbuilder

@@ -0,0 +1,7 @@
+json.user_name claimer.user.try(:show_real_name)
+json.user_login claimer.user.try(:login)
+json.user_picture url_to_avatar(claimer.user)
+json.created_at time_from_now(claimer.created_at)
+json.note_body claimer.note
+json.claim_id claimer.id
+json.visible false

app/views/claims/list.json.jbuilder

@@ -0,0 +1,7 @@
+json.partial! "commons/success"
+json.currentUserclaimed @user_claimed
+json.claimers do
+  json.array! @claims do |claimer|
+    json.partial! "claims/claim_item", claimer: claimer
+  end
+end