Scram-Sha-1 mechanism : do not send authzid if it not absolutely necessary
Some servers (ejabberd) reject the challenge if the
scram attributes a (authzid) and n (authcid) are equals
or they just don't handle the authzid.
So we just don't send it if they are the same
This fix #484
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/contact_list_menu_add_contact"
android:visible="true"
android:title="@string/contact_list_menu_add_contact"
android:icon="@drawable/ic_menu_add" />
<item android:id="@+id/menu_change_status"
android:visible="true"
android:title="@string/contact_list_menu_status"/>
<item android:id="@+id/contact_list_menu_chatlist"
android:visible="true" android:icon="@drawable/ic_menu_chat_dashboard"
android:title="@string/chat_menu_change_chat"/>
<item android:id="@+id/contact_list_menu_settings"
android:visible="true"
android:title="@string/contact_list_menu_settings"
android:icon="@drawable/ic_menu_manage" />
<item android:id="@+id/menu_disconnect"
android:visible="true"
android:title="@string/contact_list_menu_disconnect"
android:icon="@drawable/ic_menu_close_clear_cancel" />
</menu>