Fix bug when creating contact.
The contact is created asynchronously so we cannot try to get it immediatly.
As a consequence the method IRoster.createContact now return a boolean.
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/login_menu_login"
android:visible="true"
android:title="@string/login_menu_login"
android:icon="@drawable/ic_menu_login" />
<item android:id="@+id/login_menu_settings"
android:visible="true"
android:title="@string/login_menu_settings"
android:icon="@android:drawable/ic_menu_manage" />
<item android:id="@+id/login_menu_about"
android:visible="true"
android:title="@string/login_menu_about"
android:icon="@android:drawable/ic_menu_help" />
</menu>