Initialize the xmpp connection config in a background thread.
On android > 3.x network operations on the main thread crash the application.
This move the dns request made by the ConnectionConfiguration in another
thread by lazily initializing the XMPPConnection
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:textColor="@color/white" android:textColorHighlight="@color/red"
android:textSize="18sp" android:typeface="normal" android:textStyle="bold"
android:id="@+id/contactlist_group"></TextView>