Update Emacs packages

This is a massive diff that I had to do in a hurry - when leaving
Urbint. I'm pretty sure that most of these are updating Emacs packages,
but I'm not positive.

configs/shared/emacs/.emacs.d/elpa/elixir-mode-20180711.1245/elixir-mode-pkg.el

@@ -0,0 +1,9 @@
+(define-package "elixir-mode" "20180711.1245" "Major mode for editing Elixir files"
+  '((emacs "24")
+    (pkg-info "0.4"))
+  :keywords
+  '("languages" "elixir")
+  :url "https://github.com/elixir-lang/emacs-elixir")
+;; Local Variables:
+;; no-byte-compile: t
+;; End: