Update polls throughout the app when voting

mastodon/src/main/java/org/joinmastodon/android/events/PollUpdatedEvent.java

@@ -0,0 +1,13 @@
+package org.joinmastodon.android.events;
+
+import org.joinmastodon.android.model.Poll;
+
+public class PollUpdatedEvent{
+	public String accountID;
+	public Poll poll;
+
+	public PollUpdatedEvent(String accountID, Poll poll){
+		this.accountID=accountID;
+		this.poll=poll;
+	}
+}