Merge pull request #213 from BranchMetrics/update-version

fix: update version to 2.2.0

Author: aaustin

plugin.xml

@@ -26,7 +26,7 @@ SOFTWARE.
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
         xmlns:android="http://schemas.android.com/apk/res/android"
         id="io.branch.sdk"
-        version="2.1.17">
+        version="2.2.0">
 
     <name>branch-cordova-sdk</name>
     <description>Branch SDK Plugin</description>