update backend language

Signed-off-by: stony <webmaster@sport4u.at>
Merge pull request #110 from sigal/develop

update backend language
update backend
update frontend mod_joomleague_ajax_top_navigation_menu
update install
update mod_sportsmanagement_ajax_top_navigation_menu
update backend
update backend
update backend/frontend
update version
update backend
laenderkarten
update backend
update backend
update backend
update backend
update backend
update module
update backend
update frontend