Odoo 8.0 - en to nl_BE translation catalogue (4 entries)

note: module: gamification_sale_crm
en: Customer Refunds
nl_BE: Verkoopcreditnota

note: module: gamification_sale_crm
en: Logged Calls
nl_BE: Genoteerde gesprekken

note: module: gamification_sale_crm
en: New Opportunities
nl_BE: Nieuwe opportuniteiten

note: module: gamification_sale_crm
en: days
nl_BE: dagen
