Always show private messages expanded in conversation view. Bug #32.

This give a simple and usable interface; we can worry about collapsing
blocks of read messages later.

briar-android/src/org/briarproject/android/contact/ConversationItem.java

@@ -6,12 +6,10 @@ import org.briarproject.api.db.MessageHeader;
 class ConversationItem {
 
 	private final MessageHeader header;
-	private boolean expanded;
 	private byte[] body;
 
 	ConversationItem(MessageHeader header) {
 		this.header = header;
-		expanded = false;
 		body = null;
 	}
 
@@ -19,14 +17,6 @@ class ConversationItem {
 		return header;
 	}
 
-	boolean isExpanded() {
-		return expanded;
-	}
-
-	void setExpanded(boolean expanded) {
-		this.expanded = expanded;
-	}
-
 	byte[] getBody() {
 		return body;
 	}