Tweak comment to use the subjunctive "mood".
Bump dash.el’s version to 2.8.0.
Bump clojure-mode to 2.2.0 via MELPA-stable.

Q.v. http://emacsredux.com/blog/2014/05/16/melpa-stable/
Bump exec-path-from-shell to 1.7 via MELPA-stable

Q.v. http://emacsredux.com/blog/2014/05/16/melpa-stable/
Use MELPA stable instead of Marmalade.

Q.v. http://emacsredux.com/blog/2014/05/16/melpa-stable/
Replace obsolete Git-related pkgs w/ `git-modes`.

https://github.com/magit/git-modes
Resort to El-Get's Git support for `git-modes`.

Apparently [MELPA stable](http://melpa-stable.milkbox.net) doesn't have
the [git-modes](https://github.com/magit/git-modes) project yet.