release(2.1.2)

changelog.md

+# 2.1.2
+- [BUG] `Model.create()/update()` no longer attempts to save undefined fields.
+
 # 2.1.1
 - [BUG] .get() now passes along options correctly when using a custom getter
 - [FEATURE] Lock modes in Postgres now support `OF table`

package.json

 {
   "name": "sequelize",
   "description": "Multi dialect ORM for Node.JS",
-  "version": "2.1.1",
+  "version": "2.1.2",
   "author": "Sascha Depold <sascha@depold.com>",
   "contributors": [
     {