fix string
Merge branch 'master' into obstacle-service
add rewrite rule fro language in url
fix deleteCategory function
Merge remote-tracking branch 'origin/master' into obstacle-service
add function updateCategory
Merge remote-tracking branch 'origin/master' into obstacle-service
checks session status before start
alternative check core user if session params was wrong
Merge remote-tracking branch 'origin/master' into obstacle-service
config and icons