Add Deletion

Add support of the DELETE HTTP request and call the Phobos function phobos_delete

Changelog:
* Add new class DeleteRequestHandler and add it to the Factory
* Add phobos_delete_cpp to the Phobos wrapper, which calls phobos_delete
* Add a delete_object function to Stream/Fifo and Storage/Phobos
* Add tests to delete objects
5 jobs for add_deletion in 18 minutes and 39 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Static Analysis
passed Format #9376
docker

00:01:10

passed Lint #9377
docker

00:06:38

 
  Build
passed Documentation #9378
docker

00:02:37

 
  Test
passed Authorisation Disabled #9380
docker

00:09:23

passed Default #9379
docker

00:07:46