[TIMOB-17450] Android: Ti.Calendar.Event should expose the attendees of the meeting invite as a property (Parity with iOS)

   var calendars = [];
   var selectedCalendarName;
   var selectedid;
   var pickerData = [];
   var osname = Ti.Platform.osname;
   
   var win = Ti.UI.createWindow({
     backgroundColor: 'white',
     exitOnClose: true,
     fullscreen: false,
     layout: 'vertical',
     title: 'Calendar Demo'
   });
   
   win.addEventListener('open', function() {
   	if (Ti.Calendar.hasCalendarPermissions()) {
   	    performCalendarReadFunctions();
   	} else {
   	    Ti.Calendar.requestCalendarPermissions(function(e) {
   	        if (e.success) {
   	            performCalendarReadFunctions();
   	        } else {
   	            Ti.API.error(e.error);
   	            alert('Access to calendar is not allowed');
   	        }
   	    });
   	}
   });
   
   function performCalendarReadFunctions() {
       var calendar;
       if (osname === 'android') {
          calendar = Ti.Calendar.selectableCalendars[0];
       } else {
   	   calendar = Ti.Calendar.defaultCalendar;
       }
       console.log('Using calendar:'+calendar.name);
   
       var currentYear = 2016;
       var events = calendar.getEventsInMonth(currentYear, 5);
       if (events && events.length) {
             console.log(events.length + ' event(s) in ' + currentYear);
             for (var i = 0; i < events.length; i++) {
             	var theEvent = events[i];
             	console.log('event '+theEvent.id+' '+theEvent.title);
             	printAttendees(theEvent.attendees);
             }
       } else {
             console.log('No events');
       }
   }
   
   function printAttendees(attendees) {
   	Ti.API.info('attendees:'+attendees.length);
   	for (var i = 0; i < attendees.length; i++) {
   	 var e = attendees[i];
   	 	Ti.API.info('------------------------------------');
           Ti.API.info('name:'+e.name);
           Ti.API.info('email:'+e.email);
           var role = e.role;
           Ti.API.info('role:');
           if (role == Ti.Calendar.ATTENDEE_ROLE_REQUIRED) 
           	Ti.API.info('ATTENDEE_ROLE_REQUIRED');
           else if (role === Ti.Calendar.ATTENDEE_ROLE_OPTIONAL)		
           	Ti.API.info('ATTENDEE_ROLE_OPTIONAL');
           var status = e.status;
           Ti.API.info('status:');
           if (status === Ti.Calendar.ATTENDEE_STATUS_ACCEPTED) 
           	Ti.API.info('ATTENDEE_STATUS_ACCEPTED');
           else if (status === Ti.Calendar.ATTENDEE_STATUS_DECLINED)
           	Ti.API.info('ATTENDEE_STATUS_DECLINED');
           else if (status === Ti.Calendar.ATTENDEE_STATUS_TENTATIVE)
           	Ti.API.info('ATTENDEE_STATUS_TENTATIVE');
           else 
           	Ti.API.info('ATTENDEE_STATUS_UNKNOWN');
   
           if (e.isOrganiser) {
           	Ti.API.info('Organiser:YES');
           } else {
           	Ti.API.info('Organiser:NO');
           }
           Ti.API.info('------------------------------------');
       }
   }
   
   function showCalendars(calendars) {
       for (var i = 0; i < calendars.length; i++) {
           Ti.API.info(calendars[i].name);
       }
   }
   
   win.open();