release(2.1.3)

changelog.md

-# next
+# 2.1.3
 - [BUG] Fix regression introduced in 2.1.2: updatedAt not set anymore [3667](https://github.com/sequelize/sequelize/pull/3667)
 - [BUG] Fix managed transactions not rolling back if no thenable was provided in the transaction block [3667](https://github.com/sequelize/sequelize/pull/3667)
 

package.json

 {
   "name": "sequelize",
   "description": "Multi dialect ORM for Node.JS",
-  "version": "2.1.2",
+  "version": "2.1.3",
   "author": "Sascha Depold <sascha@depold.com>",
   "contributors": [
     {