[ticket/10714] Use dependencies instead of globals

We use a setter for the admin root path, as it is not defined all the time.
Aswell as we added a setter for the table name, so it can still be used
for custom tables.

PHPBB3-10714

phpBB/config/services.yml

@@ -154,6 +154,17 @@ services:
         tags:
             - { name: kernel.event_subscriber }
 
+    log:
+        class: phpbb_log
+        arguments:
+            - @dbal.conn
+            - @user
+            - @auth
+            - @dispatcher
+            - %core.root_path%
+            - %core.php_ext%
+            - %tables.log%
+
     request:
         class: phpbb_request
 

phpBB/config/tables.yml

@@ -1,3 +1,4 @@
 parameters:
     tables.config: %core.table_prefix%config
     tables.ext: %core.table_prefix%ext
+    tables.log: %core.table_prefix%log