refactor(Poll.java): add back Option constructors

mastodon/src/main/java/org/joinmastodon/android/model/Poll.java

@@ -62,6 +62,12 @@ public class Poll extends BaseModel{
 		public String title;
 		public Integer votesCount;
 
+		// MOSHIDON: we use this once :D
+		public Option() {}
+		public Option(String title) {
+			this.title = title;
+		}
+
 		@Override
 		public String toString(){
 			return "Option{"+