chore(): update to 2.2.1

Author: tlancina

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ionic-plugin-keyboard",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "cordova": {
     "id": "ionic-plugin-keyboard",
     "platforms": [

plugin.xml

@@ -2,7 +2,7 @@
 
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
     id="ionic-plugin-keyboard"
-    version="2.2.0">
+    version="2.2.1">
     <name>Keyboard</name>
     <description>Ionic Keyboard Plugin</description>
     <license>Apache 2.0</license>