Fix logo URL

README.md

@@ -1,4 +1,4 @@
-# ![Pinry](https://raw.github.com/pinry/pinry/feeds/logo.png)
+# ![Pinry](https://raw.github.com/pinry/pinry/master/logo.png)
 
 The open-source core of Pinry, a tiling image board system for people who
 want to save, tag, and share images, videos and webpages in an easy to skim