Update lang files
Rework update_lang.py to print number of missing translations
Update swedish translation
Remove translations that are too out of date
Update lang/it_IT.lang
Merge pull request #122 from RedSquirrel87/patch-4

Update lang/it_IT.lang
Update Dutch translation
Update French translation
Update Spanish translation
Updating pt-BR
glw: If image fails to load its texture, clear constraints
Merge pull request #123 from alexandrezia/pt-br_update

Updating pt-BR
http: Deal with 416 responses by reconfiguring HTTP clients to not use range requests