Upgrades and fixes, maintenance

spec/models/supplier_spec.rb

@@ -17,6 +17,7 @@ describe Supplier do
     end
 
     it 'cleans counter values if orders are no longer available' do
+      old_connection = Qwaiter::Counter.connection
       # this spec should run on the couchbase database
       Qwaiter::Counter.connection = $cb
       supplier = create :supplier
@@ -24,6 +25,7 @@ describe Supplier do
       supplier.orders_placed_count.should == 9
       Supplier.reset_counters!
       supplier.orders_placed_count.should == 0
+      Qwaiter::Counter.connection = old_connection
     end
   end