* Create llx_categorie_project_task table
* Add primary key and indexes to llx_categorie_project_task
* Add project_task type to category class
* Implement setCategories method in task class
Added setCategories method to manage task categories.
* Add llx_categorie_project_task table with constraints
Create llx_categorie_project_task table and add constraints
* Update copyright and remove setCategories method
Updated copyright year for Charlene Benke and removed the setCategories method.
* Remove project_task constant and related mappings
* Modify primary key for llx_categorie_project_task
Updated primary key constraint for llx_categorie_project_task table.
* Rename llx_categorie_project_task.key.sql to llx_categorie_project_task-project.key.sql
* Rename llx_categorie_project_task.sql to llx_categorie_project_task-project.sql
