[MERGE] forward port branch 8.0 up to d3c4ab23

addons/account/i18n/sv.po

addons/account/i18n/tr.po

addons/account/i18n/zh_CN.po

addons/account_analytic_analysis/i18n/pl.po

addons/account_analytic_default/i18n/ja.po

addons/account_asset/i18n/cs.po

addons/account_cancel/i18n/cs.po

addons/account_followup/i18n/en_GB.po

addons/account_followup/i18n/fi.po

addons/account_voucher/i18n/zh_CN.po

addons/analytic/i18n/ca.po

addons/base_gengo/i18n/ja.po

addons/crm/i18n/es_EC.po

addons/crm/i18n/ja.po

addons/crm/i18n/pl.po

addons/event/i18n/ja.po

addons/event_sale/i18n/ja.po

addons/fleet/i18n/cs.po

addons/gamification/i18n/es_EC.po

addons/gamification/i18n/ja.po