[trunk_public] Update az_AZ, thanks to : Behrad

git-svn-id: http://piwigo.org/svn/trunk@20317 68402e56-0260-453c-a942-63ccdbb3a9ee
[trunk_help] Update et_EE, thanks to : kersta

git-svn-id: http://piwigo.org/svn/trunk@20319 68402e56-0260-453c-a942-63ccdbb3a9ee