Fix km/org-open-file prompt
Unbind magit-add-change-log-entry-other-window
Add interactive-haskell-mode to haskell-mode-hook
Stop interactive-haskell from binding 'C-c c'
Add markdown scratch buffer
Add scratch buffer functions to ctl-x-4-map
Change projectile-{recentf,dired} commander keys

Change `projectile-recentf' to 'r' to be more consistent with other
maps (e.g., `ctl-x-4-map') and my key chords.