v0.8.1: fixed the following bugs:

- rare crashes involving preparation buff icon
- quickslot errors when blacksmith reforges wands
- rare crashes involving Tengu, he now keeps distance from his target and the hero
- errors involving seed selection and sandals of nature
- fireblast applying stun/cripple to dead enemies
- github update checker connecting on metered networks

services/updates/githubUpdates/src/main/java/com/shatteredpixel/shatteredpixeldungeon/services/updates/GitHubUpdates.java

@@ -43,6 +43,7 @@ public class GitHubUpdates extends UpdateService {
 
 		if (!Game.platform.connectedToUnmeteredNetwork()){
 			callback.onConnectionFailed();
+			return;
 		}
 
 		Net.HttpRequest httpGet = new Net.HttpRequest(Net.HttpMethods.GET);