Better plus button in the people picker

astrid/res/drawable/btn_add.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2008 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:state_pressed="true"
+          android:drawable="@drawable/btn_add_pressed" />
+    <item android:drawable="@drawable/btn_add_normal" />
+
+</selector>

astrid/res/layout/control_set_assigned.xml

@@ -27,7 +27,7 @@
           android:gravity="center_vertical" />
         <Button
           android:id="@+id/edit_dlg_ok"
-		  android:background="?attr/asAddButtonImg"
+		  android:background="@drawable/btn_add"
           android:layout_width="32dip"
           android:layout_height="32dip"
           android:layout_gravity="center"