Update email

Author: zumatt

library.json

@@ -11,7 +11,7 @@
     [
       {
         "name": "Matteo Subet",
-        "email": "matteo.subet@supsi.ch",
+        "email": "hi@zumat.ch",
         "url": "http://link.zumat.ch",
         "maintainer": true
       }