Merge pull request #681 from jimeh/3.x-fix-auto-complete

[3.stable] Auto-complete's popup.el has been extracted to a separate package

recipes/auto-complete.rcp

@@ -3,6 +3,7 @@
        :description "The most intelligent auto-completion extension."
        :type git
        :url "http://github.com/m2ym/auto-complete.git"
+       :depends popup
        :load-path "."
        :post-init (lambda ()
 		    (require 'auto-complete)

recipes/popup.rcp

@@ -0,0 +1,6 @@
+(:name popup
+       :website "https://github.com/m2ym/popup-el"
+       :description "Visual Popup Interface Library for Emacs"
+       :type git
+       :url "https://github.com/m2ym/popup-el.git"
+       :features popup)