autocomplete: dictionary

Remove duplcate words in the disctionary.
autocomplete: tests added for duplicate words
Stat: create stat schema
Autocomplete: use of a set

It fits more with what we want.
Merge pull request #344 from l-vincent-l/stat_create_schema

Stat: create stat schema
Merge pull request #1 from l-vincent-l/NAVITIAII-844

Use of a std::set
Merge pull request #343 from kadhikari/NAVITIAII-844

Navitiaii 844
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