Add back registerFonts

lib/register-fonts.js

@@ -0,0 +1,10 @@
+var fonts = require("./settings/").fonts,
+    _ = require("underscore"),
+    Canvas = require("canvas");
+
+// Register custom fonts one time
+if (Array.isArray(fonts)) {
+  fonts.forEach(function(font){
+    Canvas.registerFont(font.file, _.pick(font, "family", "weight", "style"));
+  });
+}