$ Adding Czech cs-CZ to installation language files
Fix failing system tests from markup changes.
 ^ [#31134] *Improving Content Languages edit and manager. Thanks
Benjamin Trenkle and Roland Dalmulder
 # [#31147] *Install sample data None does not display tooltip.
(fix #1269)
 # [#31108] Fatal erorr right after install. Thanks Klas and Michael
Babker
(Fix #1244)
 # [#30354] Invalid Javascript Redirect in JApplication::redirect() when
headers have already been sent. Thanks Ben Tasker.
(Fix #867)
 $ [#26548] [patch] incorrect error check in menus.php. Thanks Rob
Clayburn and Ben Tasker
(Fix #1012)
 # [#30779] Fatal error in single contact category list if category is
unpublished. Thanks Elin Waring.
(fix #1080)
 # [#31122] archived articles module shows multiple entries same month.
Thanks David Hurley.
(Fix #1250)
 # [#31128] Double category description newsfeed categories. Thanks Rob
de Cleen and David Hurley
(Fix #1251)
 # [#30150] com_content loads articles before error checking. Thanks
Richard McDaniel.
(Fix #739)
 # [#29424] Multilevel select collapsed. Thanks Sergey Romanov.
(Fix #1119)
 + [#31130] Added js files to protostar template and modified index.php.
Thanks Buddhima Wijeweera
(Fix #1254)
 # [#30576] $isNew not being passed to onContentBeforeSave. Thanks
Elijah Madden
(Fix #988)
Moved old administrator/com_config to administrator/com_config_old
Added already implemented com_config which follows new MVC
JSON view filter out required data only
Revert "JSON view filter out required data only"

This reverts commit 371576997fc17662f9a749d820b9cc4be907d37e.
slight changes in backend files
json view changed