Merge pull request #24 from cslrfid/develop-eng

Updated app version to 2.2.0

Author: ksclam

app/build.gradle

@@ -7,7 +7,7 @@ android {
         minSdkVersion 19
         targetSdkVersion 30
         versionCode 31
-        versionName "2.1.30"
+        versionName "2.2.0"
     }
 }