Async implementation based in Futures (#360)

* Base for async

* Transparent async requests

* Converted map

* Converted map, may have broken cache

* Cleanup leftovers of Rx

* Start on catchable pokemon

* Did some methods on CatchablePokemon. Implemented NestedFutureWrapper to link Futures

* Switched Pokestop

* Some tinkering with timings and forgetting to clear lists

* Exceptions shoudl accept Throwable

* Cleanup of deprecate methods,
Removed sleeps

* Fixed sending garbage

* Actually got it working

* Checkstyle update

* Checkstyle update

* Upped timer a bit because of a few issues with empty requests

Author: pvanassen

src/main/java/com/pokegoapi/api/PokemonGo.java

@@ -78,17 +78,9 @@ public PokemonGo(CredentialProvider credentialProvider, OkHttpClient client, Tim
 		// send profile request to get the ball rolling
 		requestHandler = new RequestHandler(this, client);
 
-		try {
-			playerProfile = new PlayerProfile(this);
-			Thread.sleep(300);
-			inventories = new Inventories(this);
-			Thread.sleep(300);
-			settings = new Settings(this);
-			Thread.sleep(300);
-		} catch (InterruptedException e) {
-			// should not happen but why not
-			e.printStackTrace();
-		}
+		playerProfile = new PlayerProfile(this);
+		inventories = new Inventories(this);
+		settings = new Settings(this);
 
 		// should have proper end point now.
 		map = new Map(this);