Fixed language string overrides

language wasn't being passed as the third arg to nut.lang.Add for some
dutch language strings, causing them to override the strings for the
language set in the config. Also got rid of some unnecessary local
keywords.
Show attribute points left during char creation

Made it so that the remaining attribute points that can be spent are
displayed with the attributes header.
Merge pull request #199 from Atebite/master

Language string overrides & Attribute points left