Merge pull request #35 from 67P/refactor/kredits-init

Refactor kredits address initialization

lib/contracts/index.js

@@ -1,5 +1,6 @@
 module.exports = {
   Contributors: require('./contributor'),
   Operator: require('./operator'),
-  Token: require('./token')
-}
+  Token: require('./token'),
+  Registry: require('./registry')
+};

lib/contracts/registry.js

@@ -0,0 +1,6 @@
+const Base = require('./base');
+
+class Registry extends Base {
+}
+
+module.exports = Registry;