MB-6256: enable basic auth on capi port
MB-6256: enable basic auth on capi port

Change-Id: I22dc1869be775a2b3183662cc231e458b0129edc
Reviewed-on: http://review.couchbase.org/19752
Reviewed-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

membase/ns_server,pavel-blagodov/ns_server,vzasade/ns_server,daverigby/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,membase/ns_server,nimishzynga/ns_server,pavel-blagodov/ns_server,daverigby/ns_server,ceejatec/ns_server,nimishzynga/ns_server,ceejatec/ns_server,nimishzynga/ns_server,vzasade/ns_server,pavel-blagodov/ns_server,ceejatec/ns_server,pavel-blagodov/ns_server,mschoch/ns_server,mschoch/ns_server,vzasade/ns_server,t3rm1n4l/ns_server,vzasade/ns_server,nimishzynga/ns_server,membase/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,daverigby/ns_server,nimishzynga/ns_server,membase/ns_server,membase/ns_server,nimishzynga/ns_server,ceejatec/ns_server,ceejatec/ns_server,membase/ns_server,mschoch/ns_server,daverigby/ns_server,t3rm1n4l/ns_server,ceejatec/ns_server,daverigby/ns_server