Fix: bad translation
Fix Bug 708
fix bug in contract update line (wrong vat variable name)
Merge pull request #652 from cbattarel/3.3

3.3 : fix bug in contract update line (wrong vat variable name)
Fix: Mass save or update of const fails.
Fix: Missing vat rates
Merge branch '3.3' of https://github.com/Dolibarr/dolibarr.git into 3.3