Dashboard / DNS and Login dutch language ajdustments.

interface/web/dashboard/lib/lang/nl_dashlet_customer.lng

...rface/web/dashboard/lib/lang/nl_dashlet_databasequota.lng

...dashboard/lib/lang/nl_dashlet_invoice_client_settings.lng

interface/web/dashboard/lib/lang/nl_dashlet_invoices.lng

interface/web/dashboard/lib/lang/nl_dashlet_limits.lng

interface/web/dashboard/lib/lang/nl_dashlet_mailquota.lng

interface/web/dashboard/lib/lang/nl_dashlet_modules.lng

interface/web/dashboard/lib/lang/nl_dashlet_products.lng

interface/web/dashboard/lib/lang/nl_dashlet_quota.lng

interface/web/dashboard/lib/lang/nl_dashlet_shop.lng

interface/web/dns/lib/lang/nl.lng

interface/web/login/lib/lang/nl.lng

interface/web/login/lib/lang/nl_login_as.lng