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/settings_menu_create_account"
android:visible="true"
android:icon="@drawable/ic_menu_invite"
android:title="@string/settings_menu_create_account" />
<item android:id="@+id/settings_menu_privacy_lists"
android:visible="false"
android:title="@string/settings_menu_privacy_lists"
android:icon="@drawable/ic_menu_blocked_user" />
</menu>