Updating $contexts when doing batch copy
Update admin.php
Optimizing this further
Update admin.php
Removing unused code
Fixing batch() feature
Merge branch 'staging' of https://github.com/joomla/joomla-cms into patch-18

Conflicts:
	libraries/legacy/model/admin.php
Fixing components batchCopy methods
Merge pull request #5317 from Hackwar/patch-18

Fixing notice when doing batch copy and language change