doc/Changelog.org: Fix some CUSTOM_ID

swiper.el (swiper-font-lock-ensure): Add vc-dir-mode

Re abo-abo#19

doc/Changelog.org: Add

swiper.el: Bump version

Fix the candidate index for `ivy-resume'

* ivy.el (ivy--preselect-index): The the regex, not the plain text.

README.md: Update video link

Add swiper-query-replace

* ivy.el (ivy-read): Update signature - a keymap is also accepted and
  the argument order has changed.
  The keymap is composed with `ivy-minibuffer-map'.
  Update for `ivy--action'.
(ivy--action): New defvar. If a function sets it, `ivy-read' will call it.

* swiper.el (swiper-map): New defvar.
(swiper-query-replace): New defun.
(swiper--ivy): Use swiper-map in the call to `ivy-read'.

* counsel.el (couns-git): Fix one empty candidate.