helm-every-where takes responsibility for buffers-list
Install SLIME from MELPA
Update copyright years
Setup the new flycheck-ocaml syntax checker
Update default opam commands to newest syntax

Newer versions of opam don't do argument parsing of the first argument
after `opam config exec` so everything needs to be passed as separate
arguments in the shell (i.e. unquoted).
Merge pull request #754 from RadicalZephyr/ocaml-flycheck

Ocaml flycheck
elixir module
Merge pull request #755 from tonini/prelude-elixir-module

Prelude Elixir module
Merge pull request #734 from abdulhaq-e/helm-replaces-ibuffer

helm-every-where takes responsibility for buffers-list
Merge remote-tracking branch 'upstream/master'