Fix for Meteor 1.3

On Meteor 1.3 data gets removed from the publication on stop.  This will prevent it from calling the remove document when this subscription stops so
the data if it is being used by another publication is still present on the client.

Fixes versolearning#7

find-from-publication.js

@@ -38,6 +38,23 @@ if (Meteor.isServer) {
         oldRemoved(collection, id);
       };
 
+      // On Meteor 1.3 data gets removed from the publication on stop.  This will
+      // prevent it from calling the remove document when this subscription stops so
+      // the data if it is being used by another publication is still present on the
+      // client.
+      this.onStop(function () {
+        this.removed = function (collection, id) {
+          // the only way this can get called is when all documents are removed
+          // from the subscription as it's torn down, we know that the underlying document
+          // will also be removed, and this will pick it up.
+          if (collection === METADATA_COLLECTION) {
+            return;
+          }
+          oldRemoved(METADATA_COLLECTION, constructId(collection, name, id));
+        };
+      });
+
+
       return fn.apply(this, arguments);
     });
   };