Merge branch 'issue_12758' into 'master'

Implement custom notification level options

![Screen_Shot_2016-06-17_at_15.31.43](/uploads/3fc47d2f461b3e8b67bb8acaa304cf99/Screen_Shot_2016-06-17_at_15.31.43.png)

![Screenshot_from_2016-06-15_10-52-27](/uploads/88dbdd21d97e80ee772fe08fa0c9b393/Screenshot_from_2016-06-15_10-52-27.png)

part of #12758 

See merge request !4389

1 files changed, 7 insertions, 0 deletions

diff --git a/db/migrate/20160617301627_add_events_to_notification_settings.rb b/db/migrate/20160617301627_add_events_to_notification_settings.rb
new file mode 100644
index 00000000000..609596f45e4
--- /dev/null
+++ b/db/migrate/20160617301627_add_events_to_notification_settings.rb
@@ -0,0 +1,7 @@
+class AddEventsToNotificationSettings < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  def change
+    add_column :notification_settings, :events, :text
+  end
+end