[MOD-2247] Ti.Facebook iOS: Native login not working

<ios>
	<plist>
		<dict>
			<key>CFBundleURLTypes</key>
			<array>
				<dict>
					<key>CFBundleURLName</key>
					<string>com.appc.test</string>
					<key>CFBundleURLSchemes</key>
					<array>
						<string>app_slug</string>
						<string>fb<fb-app-id></string>
					</array>
				</dict>
			</array>
			<key>FacebookAppID</key>
			<string><fb-app-id></string>
			<key>FacebookDisplayName</key>
			<string>SomeName</string>
			<key>LSApplicationQueriesSchemes</key>
			<array>
				<string>fbapi</string>
				<string>fbapi20130214</string>
				<string>fbapi20130410</string>
				<string>fbapi20130702</string>
				<string>fbapi20131010</string>
				<string>fbapi20131219</string>    
				<string>fbapi20140410</string>
				<string>fbapi20140116</string>
				<string>fbapi20150313</string>
				<string>fbapi20150629</string>
				<string>fbauth</string>
				<string>fbauth2</string>
				<string>fb-messenger-api20140430</string>
			</array>
		</dict>
	</plist>
</ios>

var win = Ti.UI.createWindow({
  backgroundColor : "#fff"
}); 
var btn = Ti.UI.createButton({
  title : "Login with Facebook"
});
var fb = require('facebook');
fb.initialize();

fb.addEventListener("login", function(e) {
    Ti.API.warn(e);
    if(!e.success) {
        return;
    }
    alert("loggedin");
})

btn.addEventListener("click", function() {    
    fb.permissions = ['email'];
    fb.authorize();
});

win.add(btn);
win.open();