Ignore Xcode project user data, added fontinfo package

CommonJS/lib/cappuccino/fontinfo.j

@@ -0,0 +1,12 @@
+
+var OS = require("os");
+
+exports.fontinfo = function(name, size)
+{
+    var p = OS.popen(["fontinfo", "-n", name, size || 12]);
+
+    if (p.wait() === 0)
+        return JSON.parse(p.stdout.read());
+    else
+        return null;
+}