Update CHANGELOG

CHANGELOG

 Please view this file on the master branch, on stable branches it's out of date.
-v 8.6.0 (unreleased)
-  - Delete project and associations in a background worker
-
 v 8.5.0 (unreleased)
   - Ensure rake tasks that don't need a DB connection can be run without one
   - Add "visibility" flag to GET /projects api endpoint
@@ -41,6 +38,7 @@ v 8.4.1
     and Nokogiri (1.6.7.2)
   - Fix redirect loop during import
   - Fix diff highlighting for all syntax themes
+  - Delete project and associations in a background worker
 v 8.4.0
   - Allow LDAP users to change their email if it was not set by the LDAP server

db/migrate/20160122185421_add_pending_delete_to_project.rb

 class AddPendingDeleteToProject < ActiveRecord::Migration
   def change
-    add_column :projects, :pending_delete, :boolean
+    add_column :projects, :pending_delete, :boolean, default: false
   end
 end

db/schema.rb

@@ -677,7 +677,7 @@ ActiveRecord::Schema.define(version: 20160128212447) do
     t.string   "build_coverage_regex"
     t.boolean  "build_allow_git_fetch",  default: true,     null: false
     t.integer  "build_timeout",          default: 3600,     null: false
-    t.boolean  "pending_delete"
+    t.boolean  "pending_delete",         default: false
   end
   add_index "projects", ["builds_enabled", "shared_runners_enabled"], name: "index_projects_on_builds_enabled_and_shared_runners_enabled", using: :btree
@@ -729,9 +729,9 @@ ActiveRecord::Schema.define(version: 20160128212447) do
     t.string   "type"
     t.string   "title"
     t.integer  "project_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-    t.boolean  "active",                default: false,    null: false
+    t.datetime "created_at",                               null: false
+    t.datetime "updated_at",                               null: false
+    t.boolean  "active",                                   null: false
     t.text     "properties"
     t.boolean  "template",              default: false
     t.boolean  "push_events",           default: true