delete hook (#1032)

* make log_message optional in delete_device

* add hooks support to delete job

* make delete job high prio

* web delete now queues job instead of inline delete

* move web logging into web package and remove userlog from device delete helper

* submit delete job for expire device instead of inline delete

* fixes to get web submit form for delete device to work

* enable delete hook functionality

share/config.yml

@@ -472,6 +472,7 @@ job_prio:
     - power
     - snapshot
     - vlan
+    - delete
   normal:
     - arpnip
     - arpwalk
@@ -493,6 +494,7 @@ worker_plugins:
   - 'Arpwalk'
   - 'Contact'
   - 'Delete'
+  - 'Delete::Hooks'
   - 'Discover'
   - 'Discover::CanonicalIP'
   - 'Discover::Entities'