Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Add period.
  Really fix key bindings, once and for all.
  Add M-O and s-o as key bindings for prelude-smart-open-line-above.
  [#421] Bind prelude-smart-open-line-above to M-O
  Fix README key binding for prelude-smart-open-line-above.
Merge branch 'master' of github.com:WaYdotNET/prelude

* 'master' of github.com:WaYdotNET/prelude:
  [Fix #436] Enable smartparens-mode in latex-mode
  [Fix #416] Add quotes to the alias examples
  restore zenburn
  Fix key-chord module commentary.
  update
  Replace mentions of WikEmacs with EmacsWiki
  Some minor changes in yank-pop
  update
  Fix a reference to nrepl.el
  [Fix #399] Extract key-chord into a separate module
  Extract Helm support into a separate module
  Remove obsolete markdown module
  Code style
  Remove obsolete dep to git-commit-mode
  Cask files are Emacs Lisp files
  [Fix #426] Remove M-O keybinding
  Add a table of contents