feat(google-maps): update to match latest plugin version (#2320)

* Update index.ts

* Update index.ts

* Add missing features, and bug fix of methods

* update: classname must be in pascal case

* remove: duplicated class definition

* export encode and spherical static classes

* Add comma

* Fix Encoding and Spherical

* Add convenience methods

* Fix decorators for Encoding and Spherical

* Update: getMap() methods return the instance of the wrapper plugin

* Update: getMap() methods return the instance of the wrapper plugin

* Remove `@CordovaInstance` decorators from getMap()

* Update: GoogleMapOptions (all fields are not optional).

* Follow up:  version `2.0.0-beta2-20170719-2226` of cordova-plugin-googlemaps

* Fix: tslint error

* Fix: tslint error

* No more isAvailable() method.

* Bug fix: description is incorrect

* Bug fix: example code was wrong.

* Bug fix: HtmlInfoWindow does not work
#1815 (comment)

* Bug fix: HtmlInfoWindow does not work

* Bug fix: HtmlInfoWindow does not work

* Bug fix: HtmlInfoWindow does not work

* Bug fix: HtmlInfoWindow does not work

* It seems the ionViewDidLoad() is enough delayed after platform.ready()

* Bug fix: map.setDiv()

* Bug fix: HtmlInfoWindow does not work

* Bug fix: BaseArrayClass definition is incorrect

* Bug fix: BaseArrayClass constructor is wrong

* Bug fix: Geocoder class does not work

* Bug fix: LatLngBounds constructor is wrong

* update: noNotify option is not declared

* Bug fix: Geocoder.geocode() returns array of GeocoderResult

* Update: clarify acceptable parameters of BaseArrayClass

* Add: AnimateCameraOption.padding is missing

* Revert: BaseClass.empty() method does not have the noNotify option

* Add `destruct` option to the CordovaOption.

- This allows BaseClass.on() is able to pass multiple retuned values from the cordova plugin side to the event lister.

* A semicolon is mixing

* update: event names

* Update: BaseClass.addEventListener(), addEventListenerOnce(), on(), and one()

* Add: destruct option for otherPromise
Change: inside event names (must use the version 2.0.0-beta3-20170808-1950 or higher)

* Build for working group

* Bug fix: map.getCameraTarget() definition is incorrect

* Bug fix: The definition of VisibleRegion interface is incorrect

* Fix: LatLng, LatLngBounds, and PolylineOptions classes
Update: map.getVisibleRegion()

Add: VisibleRegion class

* Bug fix: the definition of map.clear() method is incorrect

* Fix: map.fromLatLngToPoint()

* Ignore the dist directory on the master branch

* Remove the dist folder on the master branch

* fixes and tweaks

* use union types for CameraPosition

fixes issue mentioned on slack by @wf9a5m75

* fix types

* update AnimateCameraOptions interface

* remove AnimateCameraOptions interface

* add MarkerCluster class

* Bug fix: Can not create an instance of BaseArrayClass

* Bug fix: the icons property of MarkerClusterOptions

* Bug fix: the zoom option is missing

mapsplugin/cordova-plugin-googlemaps#1712

* Update index.ts

* fix: need to convert instance type from the JS class to the wrapper class

mapsplugin/cordova-plugin-googlemaps#1706

* remove test file

* fix: Error: Illegal use of "@Private" tag.

* fix: The Environment, Encode, and Spherical  are static class

* fix:  convert JS instance to the ionic instance
add: BaseClass.destroy()
add: getId() method for all instance classes

* Documentation Error #1994

* Need to create another way to convert the instance for marker cluster

* save

* Remove the instance of wrapper class if the JS instance is removed.

* Bug fix: HtmlInfoWindow missing .on and .one methods
#2034

* Bug fix: HtmlInfoWindow constructor cause the error
mapsplugin/cordova-plugin-googlemaps#1661

* Fix: Error when removing map
mapsplugin/cordova-plugin-googlemaps#1823

* Add: the cssOptions argument for HtmlInfoWindow.setContent() method

* Bug fix: Polyline.getPoints(), Polygon.getPoints() and Polygon.getHoles()

Those methods need to create new instance of BaseArrayClass of wrapper plugin.

* Add: forEachAsync(), mapAsync(), and filterAsync() methods into BaseArray class

* update: use document.querySelector() instead of document.getElementById() if the passed element is string

update: map.setDiv()

Bug fix: can not create empty GoogleMap (pure JS version is available way)

* Fix: wait until the page is fully ready

* Fix: missing `clickable` option for PolygonOptions and PolylineOptions

* Add: accept own properties for `addMarker()` and others #2087

Fix: some properties are required, but specified as optional.

Add: descriptions for properties

* Bug fix: Static classes are defined as non static class
https://stackoverflow.com/questions/47083289/ionic-native-google-maps-plugin-set-app-background-color/47165721#47165721

* Add: poly class (plugin.google.maps.geometory.poly namespace)

* Bug fix: Ionic native googlemaps decodePath() returns undefined
https://forum.ionicframework.com/t/ionic-native-googlemaps-decodepath-returns-undefined/118624/

* PR #2254
#2254

* PR #2199
#2199

* Change defined event names for the cordova-plugin-googlemaps v2.0

* Change defined event names for the cordova-plugin-googlemaps v2.2.0

* Add Geolocation class

* Implement the `setMyLocationButtonEnabled()` method

* add: baseArrayClass.mapSeries() method
update: change internal methods

* update: implementation of the LocationService

* Implement the map.addKmlOverlay() method

* Update for the cordova-plugin-googlemaps v2.2.x