[I18N] Update translation terms from Transifex

addons/account/i18n/cs.po

addons/account/i18n/de.po

addons/account/i18n/es.po

addons/account/i18n/is.po

addons/account/i18n/it.po

addons/account/i18n/lt.po

addons/account_analytic_default/i18n/is.po

addons/account_asset/i18n/cs.po

addons/account_asset/i18n/is.po

addons/account_bank_statement_import/i18n/is.po

addons/account_bank_statement_import/i18n/lt.po

addons/account_bank_statement_import/i18n/vi.po

addons/account_budget/i18n/is.po

addons/account_budget/i18n/lt.po

addons/account_cancel/i18n/is.po

addons/account_cancel/i18n/it.po

addons/account_cancel/i18n/vi.po

addons/account_cash_basis_base_account/i18n/es.po

addons/account_cash_basis_base_account/i18n/is.po

addons/account_cash_basis_base_account/i18n/lt.po