fix instagram url

Author: idlework

README.md

@@ -2,4 +2,4 @@
 Trying out Processing by generating an artsy tree
 
 Gloryfied the image with Instagram
-![](https://igcdn-photos-c-a.akamaihd.net/hphotos-ak-xaf1/t51.2885-15/11018518_1374611769530346_579498071_n.jpg)
+![](https://scontent-ams3-1.cdninstagram.com/vp/40c14a4fb73d5b8e11cba225433b8c1e/5D48946C/t51.2885-15/e15/11018518_1374611769530346_579498071_n.jpg?_nc_ht=scontent-ams3-1.cdninstagram.com)