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

note: module: gamification_sale_crm
en: Customer Refunds
zh_TW: 客戶折讓

note: module: gamification_sale_crm
en: Logged Calls
zh_TW: 通話日誌

note: module: gamification_sale_crm
en: New Opportunities
zh_TW: 新建商機

note: module: gamification_sale_crm
en: days
zh_TW: 日
