Corrected translation key BuyingPrice from lang files
Missing succes message in margin module config page
Merge pull request #961 from marcosgdf/minor

Missing success message in margin module config page
Merge pull request #962 from marcosgdf/translations

Corrected translation key BuyingPrice from lang files
Merge pull request #955 from FHenry/3.4

Fix error management and SQL resquest in action comm
Revert Class rewrite and ficheinter line trigger