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
<?xml version="1.0" encoding="utf-8"?>
<!--
Level list drawable for status icon
See src/com/beem/project/beem/utils/Status.java
for level values
-->
<level-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:maxLevel="100" android:drawable="@android:drawable/presence_offline" />
<item android:maxLevel="200" android:drawable="@drawable/status_requested" />
<item android:maxLevel="300" android:drawable="@android:drawable/presence_away" />
<item android:maxLevel="400" android:drawable="@android:drawable/presence_busy" />
<item android:maxLevel="600" android:drawable="@android:drawable/presence_online" />
</level-list>