Work in progress
Raptor: more tests are ok
Routing: more tests are OK
Type: start for serializing VJs
Routing: switch back to ptr for VJ

There is too much pointer on the vjs, so we cannot handled them as
Value, we store a vector of unique_ptr in the journey_pattern
Ed: add is_frequency to vj in db
Routing: rebase on dev
adapted: change for adapted
Benchmark: add possibility to run again the same tests
Routing: small changes
Routing: change list to call to functor

change do not create a temporary list with all vjs, for we have a mean
to call a functor on all vjs.
All: change after reviews
Raptor: change after review
Merge pull request #804 from antoine-de/freq_vj

Raptor: Freq vj