add recipe for auto-complete-pcmp
Merge pull request #1526 from aki2o/auto-complete-pcmp

add recipe for auto-complete-pcmp
A recipe for the slime-company package.

slime-company is a backend implementation for the completion package
company-mode and the 'Superior Lisp Interaction Mode for Emacs'.
Merge pull request #1527 from anwyn/slime-company

A recipe for the slime-company package.
Added m-buffer recipe
Merge pull request #1517 from phillord/m-buffer

Added m-buffer recipe