Cities: add boundary tolerance for postgis 1.5

postgis 1.5 does not seems to find anything with ST_DWITHIN without
telerance (whereas postgis 2.0 does not seems to have any problem with
it)
Merge branch 'release_1.1.2' into release
Merge branch 'release_1.1.2' into dev
Jormungandr: rename authentification to authentication
kraken: add submodule for gtfs RT protobuf from chaos

and load them in kraken
Jormungandr: refactore authentication

So it will be easier to cache with dogpile
Merge pull request #576 from kinnou02/chaos

kraken: add submodule for gtfs RT protobuf from chaos
all: -warning clang
jormungandr: update Shapely version
type: add forgotten break
Tyr: protect exe args

since we handle 2 differents conf for tyr we want the possibility to set
a param to 'None'
Merge pull request #577 from l-vincent-l/refacto_jormungandr

Refacto jormungandr
Merge pull request #578 from TeXitoi/shapes

all: -warning and update Shapely version in  jormungandr
Merge pull request #579 from antoine-de/param_protection_tyr

Tyr: protect exe args
Jormungandr: correction for vehicle journey date

date were not properly formated

add ptref test and correction on depth handling
Merge pull request #580 from antoine-de/fix_datetime_output

Jormungandr: correction for vehicle journey date
Jormungandr: add validity pattern to vp

linked to http://jira.canaltp.fr/browse/NAVITIAII-975
TimeTable: change departure board from_datetime type

datetime must be handled as posix time stamp from jormungandr

change a narrowing conversion from uint32 to uint64 in utils_test
kraken: make data copyable and add method on data_manager for handling disruptions
Merge pull request #583 from kinnou02/copyable_data

kraken: make data copyable and add method on data_manager for handling disruptions