translate new messages into japanese
tweaks on japanese translation
Merge pull request #1987 from 77web/update-translation-ja

update Japanese translation
Update base_show.html.twig

for left border in first row
bootstrap2
Merge pull request #2022 from axzx/patch-6

Update base_show.html.twig
Fixed CRUDController::redirectTo() behavior for cases when 'btn-*' value was received as an empty string
Default icon group for Admin Service

In addition to check key 'icon' if does not exists (#2045), we can set a default value for the icon group.
Merge pull request #2049 from zapoyok/patch-1

Default icon group for Admin Service
Merge pull request #2048 from ValikDev/fix-crudcontroller

Fixed CRUDController::redirectTo() behavior
fix rst
Merge branch '2.2'
Merge remote-tracking branch 'refs/remotes/sonata-project/master'