Fix and implement supplier counters

lib/qwaiter/couchbase.rb

@@ -0,0 +1,17 @@
+module Qwaiter
+  module Couchbase
+    def self.connection
+      $cb
+    end
+
+    def self.load_design_docs!
+      Dir.glob(Rails.root.join('config/couchbase/design_docs', "*.json")).each do |design_doc|
+        connection.save_design_doc File.open(design_doc)
+      end
+    end
+
+    def self.design_doc(name)
+      connection.design_docs[name]
+    end
+  end
+end