[I18N] Update translation terms from Transifex

addons/account/i18n/es.po

addons/account/i18n/he.po

addons/account/i18n/hu.po

addons/account/i18n/it.po

addons/account/i18n/mn.po

addons/account/i18n/ro.po

addons/account/i18n/sk.po

addons/account/i18n/sl.po

addons/account/i18n/th.po

addons/account_analytic_default/i18n/mn.po

addons/account_analytic_default/i18n/sl.po

addons/account_asset/i18n/he.po

addons/account_asset/i18n/sl.po

addons/account_bank_statement_import/i18n/mn.po

addons/account_budget/i18n/sl.po

addons/account_cash_basis_base_account/i18n/mn.po

addons/account_invoicing/i18n/mn.po

addons/account_payment/i18n/ro.po

addons/account_payment/i18n/sl.po

addons/account_voucher/i18n/bg.po