Use borg as package manager

core/prelude-packages.el

@@ -51,6 +51,9 @@
 
 ;; set package-user-dir to be relative to Prelude install path
 (setq package-user-dir (expand-file-name "elpa" prelude-dir))
+(if (require 'borg-elpa nil t)
+    (borg-elpa-initialize)
+  )
 (package-initialize)
 
 (defvar prelude-packages