AUP url now included in backend config, available via api call
aup link in register form now directs to the link defined by the API
aup url from backend api is now in every template
removed AUP from help
updated default AUP URL
Merge pull request #277 from t-gerhard/master

AUP URL in Backend
Merge branch 'master' of github.com:GLab/ToMaTo into fix-organizations