map module:add some event properties on "rangechanged"event, and add "infowindowclick" event

#1) add some event properties on "rangechanged"event,
*"zoom" : a value directly from Google Map v2 API
*"tilt" : a value directly from Google Map v2 API
*"bearing" : a value directly from Google Map v2 API
*"letitudeDelta" : a value calicurated from "zoom" from Google Map v2 API
*"longitudeDelta"  : a value calicurated from "zoom" from Google Map v2 API

usage)
```javascript
mapview.addEventListener('regionchanged', function(e) {
	console.log('regionchanged ' + e.latitude  + ' ' + e.latitudeDelta  + ' ' + e.longitude  + ' ' + e.longitudeDelta
	+ ' ' + e.zoom +  ' ' + e.tilt + ' ' + e.bearing);
}); 
````
#2) add "infowindowclick" event
you use "infowindowclick" event, when user click on annotaion's info window, you will handle it.
*"clicksource" : clicked annotation object

usage)
```javascript
mapview.addEventListener('infowindowclick', function(e) {
	console.info('infowindowclick ' + e.clicksource);
	if (e.clicksource) {
		console.log('infowindowclick ' + e.clicksource.title
					+ ' ' + e.clicksource.latitude
					+ ' ' + e.clicksource.longitude);

	}
}); 
````