Merge branch 'fix-schema' into 'master'

Update schema.rb for most recent migrations

Fixes #18532

See merge request !4636

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160608155312) do
+ActiveRecord::Schema.define(version: 20160610301627) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -670,8 +670,8 @@ ActiveRecord::Schema.define(version: 20160608155312) do
 
   create_table "notification_settings", force: :cascade do |t|
     t.integer  "user_id",                 null: false
-    t.integer  "source_id",               null: false
-    t.string   "source_type",             null: false
+    t.integer  "source_id"
+    t.string   "source_type"
     t.integer  "level",       default: 0, null: false
     t.datetime "created_at",              null: false
     t.datetime "updated_at",              null: false
@@ -988,7 +988,6 @@ ActiveRecord::Schema.define(version: 20160608155312) do
     t.boolean  "can_create_team",             default: true,  null: false
     t.string   "state"
     t.integer  "color_scheme_id",             default: 1,     null: false
-    t.integer  "notification_level",          default: 1,     null: false
     t.datetime "password_expires_at"
     t.integer  "created_by_id"
     t.datetime "last_credential_check_at"