Adappt attributes to DSA5
+ Gelehrter
Some fixes
Add Krieger, Schwertgeselle und Stammeskrieger
Group selectboxes
Provide error message with a back to start link
+ edge
skip empty selectbox elements
+ Händler
Adding Erfahrungsgrade
+ Hausdiener
Update jquery
Allow export/save/import of characters
+ Skills
+ Höfling
Add attribute and skill costs
Adding language selection