Discover Server features right after connection.
In the same time, postpone the load of the roster.
This avoid a timeout on the discovery request sent to the server.
The timeout is caused by receiving big rosters.
<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>