Merge pull request #606 from lovenunu/translation

Fixes
Fixed a wring price if a combination is selected
Fixed invisible thumb in file manager
Price display now uses always {format_money}
Fix firewall usage
	modifié:         core/lib/Thelia/Form/FirewallForm.php
Fix tests
	modifié:         core/lib/Thelia/Tests/Controller/ImportExportControllerTrait.php
	modifié:         core/lib/Thelia/Tests/FileFormat/Archive/ArchiveBuilder/TarArchiveBuilderTest.php
	modifié:         core/lib/Thelia/Tests/FileFormat/Archive/ArchiveBuilder/TarBz2ArchiveBuilderTest.php
	modifié:         core/lib/Thelia/Tests/FileFormat/Archive/ArchiveBuilder/TarGzArchiveBuilderTest.php
	modifié:         core/lib/Thelia/Tests/FileFormat/Archive/ArchiveBuilder/ZipArchiveBuilderTest.php