Missing required second argument in array_diff

The $whiteListAttributes variable is missing on the comparison function. 
This pr corrects previous https://github.com/joomla/joomla-cms/pull/2575
 [#32846] Add in batch language option for all languages  Thanks Thomas
Hunziker
(Fix #2624)
 # [#32844] *Regression: Batch Copy modules does not work if a position
is not chosen  Thanks Thomas Hunziker
(Fix #2625)
Test using assertXmlStringEqualsXmlString instead of simple string comparison
Remove unnecessary php behavior check.
# [#32741] Error 404 when leaving K2 config box in Joomla 3.2  Thanks
Christelle Olivier
(Fix #2548)
  [#32130] com_search Warning: mb_strpos() problems
Fixing batchAccess
Resetting the location as well when table is resetted.
 # [#31682] Options for ordering in config.xml of com_tags is wrong
Thanks Phương Lê
(Fix #1694)
Typo
Merge pull request #2632 from Bakual/FixCategoryBatchCopy

Fix category batch copy. Thanks
Merge pull request #2630 from infograf768/32130

  [#32130] com_search Warning: mb_strpos() problems
Reverting not allowing spaces inside username
Merge pull request #2643 from infograf768/32883-master

Allow spaces
Revert "Merge pull request #2643 from infograf768/32883-master"

This reverts commit a01e4706117373f4e9c68e6e33f58e2cec3b9d26, reversing
changes made to 21161aa95829c8abb11646ebbb9e537a2bfdaf12.
Reverting not allowing spaces in username
$ Adding back Czech installation lang files
Preventing saving spaces at beginning and end of username for Superadmin
when installing Joomla
Clean up some webdriver tests to hopefully fix intermittent problems.