* Fixed #212 implement OwidService.task_database_drop_create()
* Fixed #214 implement OwidServiceUpdate.update_dimension_tables_only()
* Fixed #215 implement OwidServiceUpdate.update_fact_table_incremental_only()
* Fixed #216 implement OwidServiceUpdate.update_fact_table_initial_only()
* Fixed #217 implement OwidServiceUpdate.update_star_schema_incremental()
* Fixed #218 implement OwidServiceUpdate.update_star_schema_initial()
* Fixed #210 database.py: logging for Celery on Windows (wontfix)

* -------------------------------------
* Fixed #211 ECDC-templates: change URL to for_url()
* Fixed #213 WHO-template: change URL to for_url()
* -------------------------------------
* Fixed #83  WhoImport.get_new_dates_as_array() SQLalchemy instead of SQL
* Fixed #219 WhoImport.countries() SQLalchemy instead of SQL
* -------------------------------------
* Fixed #196 OwidImport.get_new_dates_reported_as_array() needs implementation

* Fixed #206 implement user login and authorization using blueprint user and flask-login

* Fixed #201 UML: blueprint user
* Fixed #205 navbar is broken
* Fixed #202 add blueprint user
* Fixed #203 find python module for blueprint user
* Fixed #204 add python module for blueprint user

* Fixed #201 UML: blueprint user
* Fixed #205 navbar is broken
* Fixed #202 add blueprint user
* Fixed #203 find python module for blueprint user
* Fixed #204 add python module for blueprint user

* Fixed #205 navbar is broken
* Fixed #202 add blueprint user

* Fixed #194 dependency is unsecure

* Issue #194 dependency is unsecure

* Issue #194 dependency is unsecure

* Issue #194 dependency is unsecure

* Issue #194 dependency is unsecure

* Issue #194 dependency is unsecure

* 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

* 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

* 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

* 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