add names to conversation view and set header styles

Change-Id: Ic34b2cea754a5a82224a9fbf158b0126c7e44a5e
diff --git a/common/src/Conversation.ts b/common/src/Conversation.ts
index 7b55de9..b5ef9d7 100644
--- a/common/src/Conversation.ts
+++ b/common/src/Conversation.ts
@@ -66,6 +66,7 @@
       })
     );
     conversation.messages = object.messages;
+    conversation.infos = object.infos;
     return conversation;
   }
   static fromSingleContact(accountId: string, contact: Contact) {
@@ -109,6 +110,7 @@
           };
         })
       ),
+      infos: this._infos,
     };
   }
 
@@ -147,6 +149,10 @@
     return this.messages;
   }
 
+  get infos() {
+    return this._infos;
+  }
+
   set infos(infos: ConversationInfos) {
     this._infos = infos;
   }