I got icicles via ELPA. The version from describe-package is Version: 20140118.1856. although in icicles.el it says ;; Version: 2013.07.23.
Thanks for the tip about the binding variable. I am content with this in my init file:
(require 'icicles)
;; reclaim C-c ' for org-mode
(setq icicle-top-level-key-bindings
(remove '("'" icicle-occur t) icicle-top-level-key-bindings))
(icy-mode 1)
which seems to get me back the org-binding. (Note, in the pair of double quotes there is a ^C control character that did not appear in the email window I am using).
Is there a convenient way to update icicles from emacs?