Merge pull request #108 from mickhansen/greenkeeper-sequelize-3.16.0

sequelize@3.16.0 breaks build ⚠️

Author: mickhansen

package.json

@@ -44,7 +44,7 @@
     "mocha": "^2.2.5",
     "pg": "^4.4.2",
     "pg-hstore": "^2.3.2",
-    "sequelize": "^3.14.0",
+    "sequelize": "^3.16.0",
     "sinon": "^1.15.4",
     "sinon-chai": "^2.8.0",
     "sqlite3": "^3.0.9"