Update .htaccess

Apache 2.4 update
Update tl_news_category.php

added missing field info
Merge commit 'c247f7b344d6907ab70bc6ea2d66210bfdcac024' into develop
Merge commit '255c366473b55cc34441ea938b0e850be2367d6b' into develop
Updated the changelog file
Improved the language labels a little
Updated the readme file and copyrights
Updated the autoload.ini file
Release 1.2.1 stable
Merge branch 'develop'