theme: add Newtron

- fix: VtmThemes enum

vtm-android-example/res/menu/theme_menu.xml

@@ -4,7 +4,6 @@
         <item android:id="@+id/theme_default" android:checkable="true" android:title="@string/theme_default" android:checked="true" android:showAsAction="never"></item>
         <item android:id="@+id/theme_tubes" android:checkable="true" android:title="@string/theme_tubes" android:showAsAction="never"></item>
         <item android:id="@+id/theme_osmarender" android:checkable="true" android:title="@string/theme_osmarender" android:showAsAction="never"></item>
-    </group>
-  
-
+        <item android:id="@+id/theme_newtron" android:checkable="true" android:title="@string/theme_newtron" android:showAsAction="never"></item>
+        </group>
 </menu>

vtm-android-example/res/values/strings.xml

@@ -6,6 +6,7 @@
     <string name="theme_default">Default</string>
     <string name="theme_tubes">Tubes</string>
     <string name="theme_osmarender">Osmarender</string>
+    <string name="theme_newtron">NewTron</string>
     <string name="ok">OK</string>
     <string name="cancel">Cancel</string>
     <string name="error">Error</string>

vtm-android-example/src/org/oscim/android/test/SimpleMapActivity.java

@@ -68,6 +68,11 @@ public class SimpleMapActivity extends BaseMapActivity {
 				mMap.setTheme(VtmThemes.OSMARENDER);
 				item.setChecked(true);
 				return true;
+
+			case R.id.theme_newtron:
+				mMap.setTheme(VtmThemes.NEWTRON);
+				item.setChecked(true);
+				return true;
 		}
 
 		return false;