Fix up aerc and dunst to notify correctly

- Notify on new messages
- Ignore notifications in my RSS inbox, they're not important
- Also tweak keybinds in message view

.config/dunst/dunstrc

@@ -60,10 +60,6 @@
 
 	corner_radius = 0
 
-	# Ignore the dbus closeNotification message.
-	# Useful to enforce the timeout set by dunst configuration. Without this
-	# parameter, an application may close the notification sent before the 
-	# user defined timeout.
 	ignore_dbusclose = true
 
 # %%base16_template: dunst##default %%
@@ -86,3 +82,8 @@ separator_color = "#f0f0f0"
 	foreground = "#c0c0c0"
 
 # %%base16_template_end%%
+
+[RSS]
+	appname = "aerc"
+	summary = "New mail in RSS from*"
+	format = ""