alter manifest, so MainActivity handles configChanges by itself

Author: Cliffus

app/src/main/AndroidManifest.xml

@@ -26,7 +26,9 @@
         android:theme="@style/AppTheme"
         tools:ignore="AllowBackup">
 
-        <activity android:name="at.blogc.android.activities.MainActivity">
+        <activity
+            android:name="at.blogc.android.activities.MainActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize">
 
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>