Odoo 9.0 - en to bs translation catalogue (4 entries)

note: module: website_project_issue_sheet
en: Date
bs: Datum

note: module: website_project_issue_sheet
en: Description
bs: Opis

note: module: website_project_issue_sheet
en: Duration
bs: Trajanje

note: module: website_project_issue_sheet
en: Responsible
bs: Odgovoran
