added the exec-path-from-shell package

prelude/prelude-osx.el

@@ -1,11 +1,6 @@
 ;; On OS X Emacs doesn't use the shell PATH if it's not started from
-;; the shell.
-;; If you're using homebrew or port, modifying the PATH is essential.
-(let (osx-paths)
-  (dolist (path '("/usr/local/bin" "/opt/local/bin" "/opt/local/sbin" "$HOME/bin")
-                (setenv "PATH" (concat osx-paths (getenv "PATH"))))
-    (push path exec-path)
-    (setq osx-paths (concat (concat path ":") osx-paths))))
+;; the shell. Let's fix that:
+(exec-path-from-shell-initialize)
 
 ;; Emacs users obviously have little need for Command and Option keys,
 ;; but they do need Meta and Super

prelude/prelude-packages.el

@@ -42,7 +42,7 @@
 (setq url-http-attempt-keepalives nil)
 
 (defvar prelude-packages
-  '(ack-and-a-half expand-region gist guru-mode helm helm-projectile magit magithub melpa
+  '(ack-and-a-half exec-path-from-shell expand-region gist guru-mode helm helm-projectile magit magithub melpa
                    rainbow-mode volatile-highlights yasnippet solarized-theme zenburn-theme)
   "A list of packages to ensure are installed at launch.")