add metadatas on each kraken response, and update jormun instance each time

At startup jormungandr don't load the configuration of a new instance
fast enougth, it can wait 10 second before each scan, and if there is
some dead instances we add another second for them.

with this patch a most one request will be done without the timezone set
Merge pull request #770 from kinnou02/update_instance_on_call

add metadatas on each kraken response, and update jormun instance each time
kraken: better reserve geocoding in journey

When we have a journey with coordinate as departure or arrival we try to
set the departure or arrival at the address for this coordinate. It's
only change de displayed result, but this coordinate is projected on the
nearest edge, and this one can be on another way.
Kraken: fix typos, and french to english translations
kraken: adapt test after the new projection of coord on house_number
Merge pull request #771 from kinnou02/better_adresse_on_journey

better reverve geocoding in journey
Kraken: add unique identifier for each dataset
Kraken: fix initialization of Data
Kraken: fix init of Data mock
Merge pull request #772 from l-vincent-l/fix_swap_data

Fix swap data
Version 1.6.3
Kraken: add unique identifier for each dataset
Kraken: fix initialization of Data
Kraken: fix init of Data mock
Merge branch 'release' into dev