Adding e-mail notifications about mentions, follows, favourites and reblogs. Fixing another mention recording bug

app/views/layouts/mailer.text.erb

@@ -0,0 +1,5 @@
+<%= yield %>
+
+---
+
+Mastodon notifications from <%= Rails.configuration.x.local_domain %>

app/views/notification_mailer/favourite.text.erb

@@ -0,0 +1,5 @@
+<%= display_name(@me) %>,
+
+Your status was favourited by <%= @account.acct %>:
+
+<%= account_stream_entry_url(@me, @status.stream_entry) %>

app/views/notification_mailer/follow.text.erb

@@ -0,0 +1,5 @@
+<%= display_name(@me) %>,
+
+<%= @account.acct %> is now following you!
+
+<%= url_for_target(@account) %>

app/views/notification_mailer/mention.text.erb

@@ -0,0 +1,7 @@
+<%= display_name(@me) %>,
+
+You were mentioned by <%= @status.account.acct %> in:
+
+<%= @status.content %>
+
+<%= url_for_target(@status) %>

app/views/notification_mailer/reblog.text.erb

@@ -0,0 +1,5 @@
+<%= display_name(@me) %>,
+
+Your status was reblogged by <%= @account.acct %>:
+
+<%= account_stream_entry_url(@me, @status.stream_entry) %>