Initialize the Key Store
as otherwhise the following could happen:
WARNING: Connection XMPPTCPConnection[not-authenticated] (0) closed with error
java.security.KeyStoreException: Uninitialized keystore
at java.security.KeyStore.aliases(KeyStore.java:1233)
at sun.security.ssl.SunX509KeyManagerImpl.<init>(SunX509KeyManagerImpl.java:127)
at sun.security.ssl.KeyManagerFactoryImpl$SunX509.engineInit(KeyManagerFactoryImpl.java:70)
at javax.net.ssl.KeyManagerFactory.init(KeyManagerFactory.java:256)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.proceedTLSReceived(XMPPTCPConnection.java:739)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.access$1000(XMPPTCPConnection.java:146)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.parsePackets(XMPPTCPConnection.java:1026)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$300(XMPPTCPConnection.java:960)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:975)
at java.lang.Thread.run(Thread.java:745)
