In case your Mac just isn’t emo enough for ya’, Apple’s provided us a cool little new feature in Yosemite called dark mode. No, this won’t cause Hellboy to leap forth from your MacBook Air. Well, maybe he’ll visit your MacBook Pro, but I haven’t tested that so please don’t quote me on that. Instead, you’ll get the nice new dark menu bar: But that’s not all folks! Your dock will also get all dark and gothy! To turn it on, just open the General System Preference pane and check the box for “Use dark menu bar and Dock”. Enjoy! Oh, and if that’s not emo enough for you feel…