Fixed db_schema & reordered rake tasks

lib/tasks/gitlab/enable_automerge.rake

@@ -0,0 +1,12 @@
+namespace :gitlab do
+  namespace :app do
+    desc "GITLAB | Enable auto merge"
+    task :enable_automerge => :environment  do
+      Gitlabhq::GitHost.system.new.configure do |git|
+        git.admin_all_repo
+      end
+
+      puts "Done!".green
+    end
+  end
+end