Add missing custom :versions, plus small fixes

Add missing custom :versions, plus small fixes

* emacs-lisp/smie.el (smie-config): Add type, version, initialize.

* bookmark.el (bookmark-bmenu-use-header-line):
* doc-view.el (doc-view-scale-internally):
* pcmpl-x.el (pcmpl-x-tlmgr-program, pcmpl-x-ack-program):
* register.el (register-preview-delay):
* net/shr.el (shr-bullet):
* progmodes/cfengine.el (cfengine-cf-promises)
(cfengine-parameters-indent):
* progmodes/octave.el (inferior-octave-error-regexp-alist):
* textmodes/reftex-vars.el (reftex-label-regexps):
* vc/log-edit.el (log-edit-setup-add-author): Add version.

* cedet/ede/linux.el (project-linux-build-directory-default)
(project-linux-architecture-default): Fix custom types.  Add version.

* gnus/gnus-icalendar.el (gnus-icalendar-org, gnus-icalendar):
* gnus/gnus-sum.el (gnus-subthread-sort-functions): Add version.
* gnus/gnus-sync.el (gnus-sync-file-encrypt-to): Add type and version.