This module holds old code and is still not updated according to guidelines.
Let us update a bit the naming in this module to have readable code.
This commit is linked to task ID 1896681 and PR #27975. No functional change
should occur with this commit as it contains only renaming / move.
This module tracks clicks in mass mailing mails and allow the generation of trackable links in a website interface.
Modules modifications
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Refractoring of the crm_tracking_* classes in a new module.
* Extract the crm_tracking_* from the crm module into a new module "utm"
* Remove the crm_mass_mailing bridge module
* New dependencies of mass_mailing and website_links to utm.
Thibault Delavallée