Fix some slack integrations

Fixes #13

For instance the github integration doesn't have a
discoverable username, so this will become unkown.

Some integrations with attachment fields, title and
text should be tested for the correct order.

service/slack.go

@@ -260,7 +260,7 @@ func (s *SlackService) CreateMessageFromMessageEvent(message *slack.MessageEvent
 	var msgs []string
 	var name string
 
-	// Append (edited) when and edit message is received
+	// Append (edited) when an edited message is received
 	if message.SubType == "message_changed" {
 		message = &slack.MessageEvent{Msg: *message.SubMessage}
 		message.Text = fmt.Sprintf("%s (edited)", message.Text)
@@ -335,6 +335,15 @@ func createMessageFromAttachments(atts []slack.Attachment) []string {
 				),
 			)
 		}
+
+		if att.Text != "" {
+			msgs = append(msgs, att.Text)
+		}
+
+		if att.Title != "" {
+			msgs = append(msgs, att.Title)
+		}
 	}
+
 	return msgs
 }