packaging: bump version

Change-Id: If9cfa36734ccc2296fde4d1453dde76b44dabe06

ring-android/app/src/main/AndroidManifest.xml

@@ -20,8 +20,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="cx.ring"
     android:installLocation="auto"
-    android:versionCode="43"
-    android:versionName="20160505">
+    android:versionCode="44"
+    android:versionName="20160520">
 
     <uses-sdk
         android:minSdkVersion="16"