Merge pull request #370 from craue/patch-8

added a space between icon and text for the "list" link to be consistent with the "add" link
Hide the sidebar area if no menu is defined
For better HTML Validating
Update Resources/views/CRUD/list_boolean.html.twig
Update Resources/translations/SonataAdminBundle.pl.xliff
Merge pull request #376 from thomas2411/patch-1

For better HTML Validating
Merge pull request #378 from thomas2411/patch-3

Update Resources/translations/SonataAdminBundle.pl.xliff
Merge pull request #377 from thomas2411/patch-2

Update Resources/views/CRUD/list_boolean.html.twig
Update translation support, fix phpdocs
Add more semantic into the layout
Tweak layout
Add check if the date is null
Remove useless files
Undefined variable field_description
Merge pull request #382 from benji07/patch-2

Undefined variable field_description
Change the block name to `field` (as list templates)
Add Crotia translation
Fix wrong reference
Added in readme croatian language
Merge pull request #388 from jaimesuez/patch-1

Added in readme croatian language