libcouchbase 2.4.3

Closes #33452.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
libcouchbase: update 2.4.3 bottle.
Add launchd plist for server daemon to Emacs formula

Since emacs version 23.1 the emacs executable accepts a --daemon flag
which will start emacs as a server daemon. You can then connect to the
server using emacsclient (reducing startup time etc).
See http://www.emacswiki.org/emacs/EmacsAsDaemon#toc7
emacs: update 24.4 bottle.