Use elpa repository for 'queue' and 'spinner' packages

sample/prelude-pinned-packages.el

@@ -104,7 +104,7 @@
         (protobuf-mode . "melpa-stable")
         (puppet-mode . "melpa-stable")
         (pythonic . "melpa-stable")
-        (queue . "melpa-stable")
+        (queue . "gnu")
         (rich-minority . "melpa-stable")
         (ruby-tools . "melpa-stable")
         (s . "melpa-stable")
@@ -118,7 +118,7 @@
         (smartparens . "melpa-stable")
         (smartrep . "melpa-stable")
         (smex . "melpa-stable")
-        (spinner . "melpa-stable")
+        (spinner . "gnu")
         (stylus-mode . "melpa-stable")
         (swift-mode . "melpa-stable")
         (thrift . "melpa-stable")