add first mentioning of financial supporter from Github sponsoring

src/keepass2android/AboutDialog.cs

@@ -96,6 +96,9 @@ namespace keepass2android
 
 			TextView tvdesigners = (TextView)FindViewById(Resource.Id.designers);
 			tvdesigners.Text = Context.GetString(Resource.String.designers, new Java.Lang.Object[] { Context.GetString(Resource.String.designer_names) });
+
+            TextView tvsupporters = (TextView)FindViewById(Resource.Id.supporters);
+            tvsupporters.Text = Context.GetString(Resource.String.supporters, new Java.Lang.Object[] { Context.GetString(Resource.String.supporter_names) });
 		}
 
 		private void SetVersion() {

src/keepass2android/Resources/layout/about.xml

@@ -144,11 +144,18 @@
 						android:layout_below="@id/further_authors"
 						android:autoLink="web"
 			 />
+    <TextView
+      android:id="@+id/supporters"
+      android:layout_width="fill_parent"
+      android:layout_height="wrap_content"
+      android:layout_below="@id/designers"
+      android:autoLink="web"
+    />
 		<TextView
 				android:id="@+id/plugin1"
 				android:layout_width="fill_parent"
 				android:layout_height="wrap_content"
-				android:layout_below="@id/designers"
+				android:layout_below="@id/supporters"
 				android:text="@string/credit_plugin1" />
 		<TextView
 				android:id="@+id/android_filechooser_contrib"

src/keepass2android/Resources/values/config.xml

@@ -40,6 +40,7 @@
     <string name="homepage">https://github.com/PhilippC/keepass2android</string>
 	<string name="further_author_names">Alex Vallat, Ben Rush, Matthieu, Wiktor Ławski, gilbsgilbs, Chih-Hsuan Yen, DDoSolitary, marcoDallas</string>
 	<string name="designer_names">Niki Hüttner (http://www.close-cut.de), Stefano Pignataro (http://www.spstudio.at)</string>
+  <string name="supporter_names">Arno Welzel</string>
     <string name="issues">https://github.com/PhilippC/keepass2android/issues</string>
     <string name="oi_filemanager_market">market://details?id=org.openintents.filemanager</string>
     <string name="oi_filemanager_web">https://openintents.googlecode.com/files/FileManager-2.0.2.apk</string>

src/keepass2android/Resources/values/strings.xml

@@ -277,6 +277,7 @@
 	<string name="author">Keepass2Android is developed by Philipp Crocoll.</string>
 	<string name="further_authors">Thanks to code contributions by %1$s.</string>
 	<string name="designers">Thanks to icon and layout design contributions by %1$s.</string>
+  <string name="supporters">Thanks to financial support by %1$s.</string>
 	<string name="credit_plugin1">The Twofish Cipher Plugin for Keepass was developed by Scott Greenberg and is included in KP2A.</string>
 	<string name="credit_android_filechooser">android-filechooser was developed by Hai Bison</string>
 	<string name="credit_keyboard">The KP2A keyboard is based on the Gingerbread keyboard by the Android Open Source Project and uses the Plugin Manager code from Hacker\'s Keyboard by Klaus Weidner.</string>