Merge "Allow callback functions for creating jobs"

diff --cc RELEASE-NOTES-1.30
index 590dc2c,5370c6d..dd2841c
--- 1/RELEASE-NOTES-1.30
--- 2/RELEASE-NOTES-1.30
+++ b/RELEASE-NOTES-1.30
@@@ -12,13 -12,14 +12,18 @@@ production
    case.
  * $wgShellLocale now affects LC_ALL rather than only LC_CTYPE. See
    documentation of $wgShellLocale for details.
+ * $wgJobClasses may now specify callback functions
+   as an alternative to plain class names.
+   This is intended for extensions that want control
+   over the instantiation of their jobs,
+   to allow for proper dependency injection.
  
  === New features in 1.30 ===
 -* …
 +* (T37247) Output from Parser::parse() will now be wrapped in a div with
 +  class="mw-parser-output" by default. This may be changed or disabled using
 +  ParserOptions::setWrapOutputClass().
 +* Added 'ChangeTagsAllowedAdd' hook, enabling extensions to allow software-
 +  specific tags to be added by users.
  
  === External library changes in 1.30 ===
  

diff --cc includes/DefaultSettings.php
Simple merge