added types.h to Xcode project
added types.h to Xcode project

CUNY-Hunter-CSCI-Capstone-Summer2014/XMPP-Chat,CUNY-Hunter-CSCI-Capstone-Summer2014/XMPP-Chat,CUNY-Hunter-CSCI-Capstone-Summer2014/XMPP-Chat,CUNY-Hunter-CSCI-Capstone-Summer2014/XMPP-Chat