Merge branch 'develop' of github.com:phpbb/phpbb3 into ticket/11103

# By Oleg Pudeyev (37) and others
# Via Oleg Pudeyev (24) and others
* 'develop' of github.com:phpbb/phpbb3: (179 commits)
  [ticket/11323] Add tests for inclusion of defined variables
  [ticket/11324] Add PHP 5.5 environment to travis and allow it to fail.
  [ticket/11321] Recreate schema files with develop/create_schema_files.php
  [ticket/11320] Include functions file as we need phpbb_convert_30_dbms_to_31
  [ticket/11313] Use correct object el instead of eel in alt_text callback
  [ticket/11301] Guidelines: Add spaces in front and after the / operator.
  [ticket/11301] Explicitly cast str offset to int to prevent E_NOTICE on 5.4.
  [ticket/11311] Include asset core.js in subsilver2 overall_footer.html
  [ticket/10949] Remove not needed comma
  [ticket/11309] phpbb_extension_interface::disable_step correct docblock.
  [ticket/10949] Converted missing code to new JS coding guidelines
  [ticket/11302] Correctly select first timezone or selected timezone
  [ticket/11305] Mock container for cache driver in functional create_user()
  [ticket/11305] Check for $cache being null before using it in db drivers.
  [ticket/10805] Compare phpbbAlertTimer against null
  [ticket/11305] Define hook finder as a service on the container.
  [ticket/11305] Adjust comment.
  [ticket/11305] Use phpbb_create_default_container.
  [ticket/11305] Create a normal container during final installation step.
  [ticket/11305] Retrieve cache driver from container rather than cache service.
  ...

Conflicts:
	phpBB/install/schemas/firebird_schema.sql
	phpBB/install/schemas/mssql_schema.sql
	phpBB/install/schemas/mysql_40_schema.sql
	phpBB/install/schemas/mysql_41_schema.sql
	phpBB/install/schemas/oracle_schema.sql
	phpBB/install/schemas/postgres_schema.sql
	phpBB/install/schemas/sqlite_schema.sql
	phpBB/styles/subsilver2/template/overall_footer.html

phpBB/config/services.yml

@@ -11,6 +11,10 @@ services:
         class: phpbb_cache_service
         arguments:
              - @cache.driver
+             - @config
+             - @dbal.conn
+             - %core.root_path%
+             - %core.php_ext%
 
     cache.driver:
         class: %cache.driver.class%
@@ -124,6 +128,13 @@ services:
             - @dispatcher
             - @controller.resolver
 
+    hook_finder:
+        class: phpbb_hook_finder
+        arguments:
+            - %core.root_path%
+            - .%core.php_ext%
+            - @cache.driver
+
     kernel_request_subscriber:
         class: phpbb_event_kernel_request_subscriber
         arguments: