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

/**
 * This package contains the MemorizingTrustManager library made by Georg.
 * It is a "plugin" for Android Java to allow asking the user about SSL certificates
 * https://github.com/ge0rg/MemorizingTrustManager
 */
package de.duenndns.ssl;