Add new commands 'projectile-switch-to-buffer-other-window and
'projectile-find-file-other-window, bound to C-c p 4 b and C-c p 4 f by
default.
* CHANGELOG.md: Added new commands
  'projectile-switch-to-buffer-other-window and
  'projectile-find-file-other-window
Merge pull request #213 from nwidger/master

Add 'projectile-switch-to-buffer-other-window and 'projectile-find-file-other-window