* Fixed #28 /admin/database/import
* Fixed #66 frontend: migrate to Bootstrap Theme sb-admin-angular
* Fixed #158 load Bootstrap-Template sb-admin-angular into static
* Fixed #191 setup plantuml for engineering and docs
* Fixed #156 run_web.sh
* Fixed #157 run_worker.sh
* Fixed #62 frontend: better design for pages
* Fixed #60 frontend: better design for tables