Bump version to 2.12.0 (#423)

CHANGELOG.md

@@ -1,4 +1,4 @@
-## 2.12.0
+## 2.12.0 (2019-10-28)
 ### Added
 * List IoT Hub Device Provisioning Service instances
 * Add C# code generation for device twin (Thanks [@tomaszbartoszewski](https://github.com/tomaszbartoszewski)!)

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "azure-iot-toolkit",
-  "version": "2.11.0-rc",
+  "version": "2.12.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -2,7 +2,7 @@
   "name": "azure-iot-toolkit",
   "displayName": "Azure IoT Hub Toolkit",
   "description": "Interact with Azure IoT Hub, IoT Device Management, IoT Edge Management, IoT Hub Device Simulation, IoT Hub Code Generation and IoT Hub Device Provisioning Service (DPS)",
-  "version": "2.12.0-rc",
+  "version": "2.12.0",
   "publisher": "vsciot-vscode",
   "aiKey": "0caaff90-cc1c-4def-b64c-3ef33615bc9b",
   "icon": "logo.png",