[trunk_public] Update fi_FI, thanks to : Juhi24

git-svn-id: http://piwigo.org/svn/trunk@19820 68402e56-0260-453c-a942-63ccdbb3a9ee
minor optimization on photos_add_direct 

git-svn-id: http://piwigo.org/svn/trunk@19828 68402e56-0260-453c-a942-63ccdbb3a9ee
[trunk_admin] Update ja_JP, thanks to : ryoon

git-svn-id: http://piwigo.org/svn/trunk@19873 68402e56-0260-453c-a942-63ccdbb3a9ee
[trunk_install] Update ja_JP, thanks to : ryoon

git-svn-id: http://piwigo.org/svn/trunk@19874 68402e56-0260-453c-a942-63ccdbb3a9ee