ed: add admin_stoparea to fusio_parser

alter database and admin_stop_area struct
Ed: corrections to the fusio parser of AdminStopArea
Cleanup: clean up in admin ref

and remove unused variable
Ed: persist Admin main stop areas

write and read to/from ed the main stop areas of an admin
Kraken: a bit of cleaning
Merge pull request #345 from antoine-de/adminstation

Adminstation